Jonathan A. Mitchell, PhD

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Jonathan A. Mitchell, PhD, is a physician instructor in the Division of Gastroenterology, Hepatology and Nutrition and Research Assistant Professor of Pediatrics at Children's Hospital of Philadelphia.

Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467)

Education and Training

Fellowship

Postdoctoral Fellow of Epidemiology - Department of Biostatistics and Epidemiology, University of Pennsylvania, Philadelphia, PA

Undergraduate Degree

BSc (Hons) in Physiology - University of Glasgow, Glasgow, Scotland

Graduate Degree

PhD in Exercise Science - University of South Carolina, Columbia, SC

MsC in Human Nutrition - University of Glasgow, Glasgow, Scotland

Titles and Academic Titles

Physician Instructor

Research Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania

Publications

Papers

2019

Roy SM, Fields DA, Mitchell JA, Hawkes CP, Kelly A, Wu GD, DeRusso PA, Elovitz MA, Ford E, Drigo D, Zemel BS, McCormack SE: Body Mass Index is a Better Indicator of Body Composition than Weight-for-Length at Age 1 Month. Journal of Pediatrics 204: 77-83, Jan 2019.

Quante M, Mariani S, Weng J, Marinac CR, Kaplan ER, Rueschman M, Mitchell JA, James P, Hipp JA, Cespedes Feliciano EM, Wang R, Redline S: Zeitgebers and their Association with Rest-Activity Patterns. Chronobiology International 36(2): 203-213, Feb 2019.

Marinac CR, Quante M, Mariani S, Weng J, Redline S, Cespedes Feliciano EM, Hipp JA, Wang D, Kaplan ER, James P, Mitchell JA: Associations Between Timing of Meals, Physical Activity, Light Exposure, and Sleep with Body Mass Index in Free-Living Adults. Journal of Physical Activity and Health 16(3): 214-221, Mar 2019.

Cousminer DL, McCormack SE, Mitchell JA, Chesi A, Kindler JM, Kelly A, Voight BF, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Zemel BS, Grant SFA: Postmenopausal Osteoporotic Fracture-Associated COLIA1 Variant Impacts Bone Accretion in Girls. Bone 121: 221-226, Apr 2019.

Qian F, Wang S, Mitchell J, McGuffog L, Barrowdale D, Leslie G, et al: Height and Body Mass Index as Modifiers of Breast Cancer Risk in BRCA1/2 Mutation Carriers: A Mendelian Randomization Study. Journal of the National Cancer Institute 111(4): 350-364, Apr 2019.

Full KM, Moran K, Carlson J, Godbole S, Natarajan L, Glanz K, Mitchell J, Hipp JA, Laden F, James P, Kerr J: Latent Profile Analysis of Accelerometer-Measured sleep, Physical Activity, and Sedentary Time and Differences in Health Characteristics in Adult Women. PLoS One 14(6): e0218595, Jun 2019.

2018

Cousminer DL, Mitchell JA, Chesi A, Roy SM, Kalkwarf HJ, Lappe JM, Gilsanz V, Voight BF, Oberfield SE, Shepherd JA, Kelly A, McCormack SE, Zemel BS, Grant SFA: Genetically Determined Later Puberty Impacts Lowered Bone Mineral Density in Childhood and Adulthood. Journal of Bone and Mineral Research 33(3), Mar 2018.

Mitchell JA, Chesi A, McCormack SE, Cousminer DL, Kalkwarf HJ, Lappe J, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Grant SFA, Zemel BS: Physical Activity and Bone Accretion: Isotemporal Modeling and Genetic Interactions. Medicine and Science in Sports and Exercise 50(5): 977-986, May 2018.

Mitchell JA, Chesi A, McCormack SE, Cousminer DL, Kalkwarf HJ, Lappe J, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Zemel BS, Grant SFA: Multi-Dimensional Bone Density Phenotyping Reveals New Insights into Genetic Regulation of the Pediatric Skeleton. Journal of Bone and Mineral Research 33(5): 812-821, May 2018.

Mostoufi-Moab S, Kelly A, Mitchell JA, Baker J, Zemel BS, Brodsky J, Long J, Leonard MB: Changes in Pediatric DXA Measures of Musculoskeletal Outcomes and Correlation with Quantitative CT Following Treatment of Acute Lymphoblastic Leukemia Bone. Bone 112: 128-135, Jul 2018.

2017

McCormack SE, Chesi A, Mitchell JA, Roy SM, Cousminer DL, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Mahboubi S, Winer K, Kelly A, Grant SF, Zemel BS: Relative Skeletal Maturation and Population Ancestry in Non-Obese Children and Adolescents. Journal of Bone and Mineral Research 32(1): 115-124, Jan 2017.

Kerr J, Marinac CR, Ellis K, Godbole S, Hipp JA, Glanz K, Mitchell JA, Laden F, James P, Berrigan D: Comparison of Accelerometry Methods for Estimating Physical Activity. Medicine and Science in Sports and Exercise 49(3): 617-624, Mar 2017.

Mitchell JA, Dowda M, Pate RR, Kordas K, Froberg K, Sardinha LA, Kolle E, Page A, on behalf of the International Children's Accelerometry Database (ICAD) Collaborators: Physical Activity, Sedentary Behavior and Childhood Obesity: A Quantile Regression Analysis. Medicine and Science in Sports and Exercise 49(3): 466-473, Mar 2017.

James P, Hart JE, Hipp JA, Mitchell JA, Kerr J, Hurvitz PM, Glanz K, Laden F: GPS-Based Exposure to Greenness and Walkability and Accelerometry-Based Physical Activity. Cancer Epidemiology, Biomarkers and Prevention 26(4): 525-532, Apr 2017 Notes: Focus Issue on Geospatial Approaches to Cancer Control and Population Sciences.

Lynch SM, Mitra N, Ravichandran K, Mitchell J, Spangler E, Zhou W, Paskett ED, Gehlert S, DeGraffinreid C, Stowe R, Dubowitz T, Riethman H, Branas CC, Peek MK, Rebbeck TR: Telomere Length and Neighborhood Circumstances: Evaluating Biological Response to Unfavorable Exposures. Cancer Epidemiology, Biomarkers and Prevention 26(4): 553-560, Apr 2017 Notes: Focus Issue on Geospatial Approaches to Cancer Control and Population Sciences.

Chesi A, Mitchell JA, Kalkwarf HJ, Bradfield JP, Lappe J, Cousminer DL, Roy SM, McCormack SE, Gilsanz V, Oberfield SE, Hakonarson H, Shepherd JA, Kelly A, Zemel B, Grant SFA: A Genome-Wide Association Study Identifies Two Sex-specific Loci, at SPTB and IZUMO3, Influencing Pediatric Bone Mineral Density at Multiple Skeletal Sites. Journal of Bone and Mineral Research 32(6): 1274-1281, Jun 2017.

Manousaki D, Dudding T, Haworth S, Hsu Y, Liu C, Medina-Gómez C, Voortman T, van der Velde N, Melhus H, Robinson-Cohen C, Cousminer DL, Nethander M, Vandenput L, Noordam R, Forgetta V, Greenwood CMT, Biggs ML, Psaty BM, Rotter JI, Zemel BS, Mitchell JA, Taylor B, Lorentzon M, Karlsson M, Jaddoe VVW, Tiemeier H, Campos-Obando N, Franco OH, Utterlinden AG, Broer L, van Schoor NM, Ham AC, Arfan Ikram M, Karasik D, de Mutsert R, Rosendaal FR, den Heijer M, Wang TJ, Lind L, Orwoll ES, Mook-Kanamori DO, Michaëlsson K, Kestenbaum B, Ohlsson C, Mellström D, CPGM de Groot L, Grant SFA, Kiel DP, Zillikens MC, Rivadeneira F, Sawcer S, Timpson NJ, Richards BJ: Low Frequency Synonymous Coding Variation in CYP2R1 has Large Effects on Vitamin D Level and Risk of Multiple Sclerosis. American Journal of Human Genetics 101(2): 227-238, Aug 2017.

Mitchell JA, Quante M, Godbole S, James P, Hipp JA, Marinac CR, Mariani S, Cespedes Feliciano EM, Glanz K, Laden F, Wang R, Weng J, Redline S, Kerr J: Variation in Actigraphy-Estimated Rest-Activity Patterns by Demographic Factors. Chronobiology International 34(8): 1042-1056, Aug 2017.

McCormack SE, Cousminer DL, Chesi A, Mitchell JA, Roy SM, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Grant SFA, Zemel BS: Association Between Linear Growth and Bone Accrual: A Longitudinal Assessment of a Diverse Cohort of Children and Adolescents. JAMA Pediatrics 171(9): e171769, Sep 2017.

Murray K, Godbole S, Natarajan L, Full K, Hipp JA, Glanz K, Mitchell JA, Laden F, James P, Quante M, Kerr J: The Relations between Sleep, Time of Physical Activity, and Time Outdoors Among Adult Women. PLoS One 12(9): e0182013, Sep 2017.

Cespedes Feliciano EM, Quante M, Weng J, Mitchell JA, James P, Marinac CR, Mariani S, Redline S, Kerr J, Godbole S, Mantiega A, Wang D, Hipp JA: Actigraphy-Derived Daily Rest-Activity Patterns and Body Mass Index in Community-Dwelling Adults. SLEEP 40(12), Dec 2017.

2016

Mitchell JA, Godbole S, Moran K, Murray K, James P, Laden F, Hipp JA, Kerr J, Glanz K: No evidence of reciprocal associations between daily sleep and physical activity. Medicine and Science in Sports and Exercise 48(10): 1950-6, Sept 2016.

Mitchell JA, Chesi A, McCormack SE, Roy SM, Cousminer DL, Kalkwarf HJ, Lappe J, Gilsanz V, Oberfield SE, Shepherd J, Kelly A, Zemel BS, Grant SFA: Rare EN1 variants and pediatric bone mass.  Journal of Bone and Mineral Research 31(8): 1513-7, Aug 2016.

Mitchell JA, Chesi A, Elci O, McCormack SE, Roy SM, Kalkwarf HJ, Lappe J, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Grant SFA, Zemel BS: Physical activity benefits the skeleton of children genetically predisposed to lower bone density in adulthood. Journal of Bone and Mineral Research  31(8): 1504-12, Aug 2016.

Roy SA, Spivack J, Faith M, Chesi A, Mitchell JA, Kelly A, Grant SFA, McCormack SE, Zemel BS: Infant BMI or Weight-for-Length and Obesity Risk in Early Childhood. Pediatrics 137(5): pii e20153492, May 2016.

Mitchell JA, Chesi A, Elci O, McCormack SE, Roy SM, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Grant SF, Zemel BS: Genetic risk scores implicated in adult bone fragility associate with pediatric bone density. Journal of Bone and Mineral Research 31(4), April 2016 Notes: doi: 10.1002/jbmr.2744.

Mitchell JA, Chesi A, McCormack SE, Roy SM, Cousminer DL, Kalkwarf HJ, Lappe J, Gilsanz V, Oberfield SE, Shepherd J, Kelly A, Zemel BS, Grant SFA: Rare EN1 variants and pediatric bone mass.  Journal of Bone and Mineral Research Mar 2016.

Roy SA, Spivack J, Faith M, Chesi A, Mitchell JA, Kelly A, Grant SFA, McCormack SE, Zemel BS: Infant BMI or Weight-for-Length and Obesity Risk in Early Childhood. Pediatrics Feb 2016.

2015

Zeigler-Johnson C, Morales KH, Glanz K, Spangler E, Mitchell J, Rebbeck TR: Individual- and neighborhood-level education influences the effect of obesity on prostate cancer treatment failure after prostatectomy. Cancer Causes Control 26(9): 1329-1337, Sep 2015.

Mitchell JA, Chesi A, Elci O, McCormack S, Kalkwarf H, Lappe J, Gilsanz V, Oberfield S, Shepherd J, Kelly A, Zemel B, Grant SFA: Genetics of bone mass in childhood and adolescence: effects of sex and maturation interactions. Journal of Bone and Mineral Research 30(9): 1676-1683, Sep 2015.

Chesi A, Mitchell JA, Kalkwarf HJ, Bradfield JP, Lappe JM, McCormack SE, Gilsanz V, Oberfield SE, Hakonarson H, Shepherd JA,, Kelly A, Zemel BS, Grant SFA: A trans-ethnic genome-wide association study identifies gender specific loci influencing pediatric aBMD and BMC at the distal radius. Human Molecular Genetics 24(17): 5053-5059, Sep 2015.

Roy SA, Chesi A, Mentch F, Xiao R. Chiavacci R, Mitchell JA, Kelly A, Hakonarson H, Grant SFA, Zemel BS, McCormack SE: Body Mass Index (BMI) trajectories in infancy differ by population ancestry and may presage disparities in early childhood obesity. Journal of Clinical Endocrinology and Metabolism 100(4): 1551-1560, Apr 2015.

2014

Mitchell JA, Bottai M, Park Y, Marshall SJ, Moore SC, Matthews CE: A prospective study of sedentary behavior and changes in the body mass index distribution. Medicine and Science in Sports and Exercise 46(12): 2244-52, Dec 2014.

Abstracts

2017

Mitchell JA, Cousminer DL, Chesi A, Elci O, McCormack SE, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Grant SFA, Zemel BS: High And Low Impact Physical Activity Substitution and Pediatric Bone Density. American College of Sports Medicine (ACSM) Annual Meeting, Denver, CO. Jun 2017.

Huffnagle N, Demarco L, Gantz C, Hodge K, Nelson E, Mitchell JA : Recruiting Healthy Subjects in the Clinical Setting: The Sleep and Growth Study. CHOP Research Institute Poster Day, Philadelphia, PA. Feb 2017.

Books

Chapters

2019

Parks EP, Shaikhkhalil A, Sainath N, Mitchell J, Brownell JN, Stallings VA: Feeding Healthy Infants, Children and Adolescents. In: Kliegman RM, St Geme JW, et al. (eds). Nelson Textbook of Pediatrics (21st Edition). Philadelphia: Elsevier, Chapter 56: 321-331, Apr 2019.

Maqbool A, Prout Parks E, Shaikhkhalil A, Panganiban J, Mitchell JA, Stallings VA: Nutritional Requirements In: Kliegman RM, St Geme JW, et al. (eds). Nelson Textbook of Pediatrics (21st Edition). Philadelphia: Elsevier, Chapter 55: 303-321, Apr 2019.

Posters and Presentations

2020

Mitchell JA: Early Validation of Physical Activity as a Vital Sign in Pediatric Clinics. Symposium: Identifying Physically Inactive Youth in the Clinical Setting: Vital Signs, Wearables and Future Directions. Podium Presentation, American College of Sports Medicine Annual Meeting, San Francisco, CA May 2020.

2019

McCormack SE, Kelly A, Mitchell JA, Cousminer DL, Chesi A, Kindler J, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Mahboubi S, Winer K, Grant SFA, Zemel BS: Accounting for Skeletal Maturation in the Assessment of Pediatric Bone Mineral Density. Poster Presentation, Endocrine Society, Annual Meeting, New Orleans, LA Mar 2019.

Cousminer DL, Wagley Y, McCormack SE, Way GP, Chesi A, Mitchell JA, Kindler JM, Kalkwarf HJ, Lappe JM, Johnson MA, Pippin JA, Hakonarson H, Gilsanz V, Shepherd JA, Oberfield SE, Greene CS, Voight BF, Wells AD, Zemel BS, Hankenson K, Grant, SFA: Longitudinal Genome-wide Association Study Implicates Novel Loci and Candidate Genes for Pediatric Bone Accrual. Podium Presentation, American Society for Bone and Mineral Research Annual Meeting, Orlando, FL Oct 2019.

Cousminer DL, Wagley Y, McCormack SE, Way GP, Chesi A, Mitchell JA, Kindler JM, Kalkwarf HJ, Lappe JM, Johnson MA, Pippin JA, Hakonarson H, Gilsanz V, Shepherd JA, Oberfield SE, Greene CS, Voight BF, Wells AD, Zemel BS, Hankenson K, Grant, SFA: Longitudinal Genome-wide Association Study Identifies Novel Loci and Functional Follow-up Implicates Putative Effector Genes for Pediatric Bone Accrual. Podium Presentation, American Society for Human Genetics Annual Meeting, Houston, TX Oct 2019.

2018

Mitchell JA: Validity and Use of the Pediatric Physical Activity Assessment Tool. Exercise is Medicine Symposium: Let's Play!: Operationalization of Active Play. Podium Presentation, American College of Sports Medicine Annual Meeting, Minneapolis, MN May 2018.

Quante M, Mariani S, Weng J, Kaplan ER, Rueschman M, Mitchell JA, James P, Hipp JA, Cespedes Feliciano EM, Wang R, Redline S: Zeitgebers and their Association with Rest-Activity Patterns. Poster Presentation, SLEEP Annual Meeting, Baltimore, MD Jun 2018.

Cousminer DL, McCormack SE, Mitchell JA, Chesi A, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Voight BF, Zemel BS, Grant SFA: The COLIA1 Sp1 Variant and Bone Accrual in Childhood. Podium Presentation, American Society for Bone and Mineral Research Annual Meeting, Montréal, Canada Sept 2018.

Mitchell JA, Morales K, Dinges DF, Huffnagle N, Grant SFA, Zemel BS: Sleep Duration and Timing Predicts Bone Mineral Density Among Adolescents. Poster Presentation, American Society for Bone and Mineral Research Annual Meeting, Montréal, Canada Sept 2018.

Mitchell JA, Dinges DF, Morales K, Huffnagle N, Grant SFA, Zemel BS: Objectively Estimated Sleep Duration Associates with Adolescent Fat Mass. Poster Presentation, The Obesity Society Annual Meeting, Nashville, TN Nov 2018.

2017

Huffnagle N, Demarco L, Gantz C, Hodge K, Nelson E, Mitchell JA: Recruiting Healthy Subjects in the Clinical Setting: The Sleep and Growth Study. Poster Presentation, CHOP Research Institute Poster Day, Philadelphia, PA Feb 2017.

Mitchell JA, Chesi A, McCormack SE, Cousminer DL, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Zemel BS, Grant SFA: Principal Component-Derived Bone Density Phenotypes and Genetic Regulation of the Pediatric Skeleton. Podium Presentation, 8th International Conference on Children's Bone Health, Würzburg, Germany Jun 2017.

Mitchell JA, Cousminer DL, Chesi A, Elci O, McCormack SE, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Grant SFA, Zemel BS: High and Low Impact Physical Activity Substitution and Pediatric Bone Density. Poster Presentation, American College of Sports Medicine Annual Meeting, Denver, CO Jun 2017.

Mitchell JA, Cousminer DL, Chesi A, Elci O, McCormack SE, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Zemel BS, Grant SFA: Principal Component-Derived Bone Density Phenotypes and Genetic Regulation of the Pediatric Skeleton. Poster Presentation, Bone Research Society, Bristol, UK Jun 2017.

Quante M, Mitchell JA, Godbole S, James P, Hipp JA, Marinac CR, Mariani S, Cespedes Feliciano EM, Glanz K, Laden F, Wang R, Weng J, Redline S, Kerr J: The Epidemiology of Actigraphy-Estimated Circadian Rest-Activity Patterns in Adults and Children. Poster Presentation, SLEEP Annual Meeting, Boston, MA Jun 2017.

Chesi A, Grgić O, Medina-Gomez C, McCormack SE, Cousminer DL, Mitchell JA, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Mahboubi S, Trajanoska K, Jaddoe V, Uitterlinden AG, Wolvius EB, Zemel BS, Grant SFA, Rivadeneira F: A Genome-Wide Association Meta-Analysis Implicates Adrenal Steroidogenesis in the Process of Skeletal Maturation. Podium Presentation, American Society for Bone and Mineral Research Annual Meeting, Denver, CO Sept 2017.

Cousminer DL, Chesi A, Mitchell JA, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, McCormack SE, Voight BF, Zemel BS, Grant SFA: Longitudinal Genome-Wide Association Analyses and Heritability Estimates of Pediatric Bone Mineral Density. Poster Presentation, American Society for Bone and Mineral Research Annual Meeting, Denver, CO Sept 2017.

Manousaki D, Dudding T, Haworth S, Hsu Y, Liu C, Medina-Gómez C, Voortman T, van der Velde N, Melhus H, Robinson-Cohen C, Cousminer DL, Nethander M, Vandenput L, Noordam R, Forgetta V, Greenwood CMT, Biggs ML, Psaty BM, Rotter JI, Zemel BS, Mitchell JA, Taylor B, Lorentzon M, Karlsson M, Jaddoe VVW, Tiemeier H, Campos-Obando N, Franco OH, Utterlinden AG, Broer L, van Schoor NM, Ham AC, Arfan Ikram M, Karasik D, de Mutsert R, Rosendaal FR, den Heijer M, Wang TJ, Lind L, Orwoll ES, Mook-Kanamori DO, Michaëlsson K, Kestenbaum B, Ohlsson C, Mellström D, CPGM de Groot L, Grant SFA, Kiel DP, Zillikens MC, Rivadeneira F, Sawcer S, Timpson NJ, Richards BJ: Low Frequency Synonymous Coding Variation in CYP2R1 has Large Effects on Vitamin D Level and Risk of Multiple Sclerosis. Poster Presentation, American Society for Bone and Mineral Research Annual Meeting, Denver, CO Sept 2017.

Mitchell JA, Chesi A, McCormack SE, Cousminer DL, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Zemel BS, Grant SFA: Established Adult Height Loci Operate in the Pediatric Setting to Influence Bone Mineral Density. Poster Presentation, American Society for Bone and Mineral Research (ASBMR) Annual Meeting, Denver, CO Sept 2017.

Cousminer DL, Chesi A, Mitchell JA, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, McCormack SE, Voight BF, Zemel BS, Grant SFA: Longitudinal Genome-Wide Association Analyses and Heritability Estimates of Pediatric Bone Mineral Density. Poster Presentation, American Society for Human Genetics Annual Meeting, Orlando, FL Oct 2017.

Cousminer DL, Mitchell JA, Chesi A, Roy SM, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, McCormack SE, Voight BF, Zemel BS, Grant SFA: Genetically Determined Later Puberty Impacts Lowered Bone Mineral Density in Childhood and Adulthood. Podium Presentation, 10th World Congress on Development Origins of Health and Disease, Rotterdam, The Netherlands Oct 2017.

Manousaki D, Dudding T, Haworth S, Hsu Y, Liu C, Medina-Gómez C, Voortman T, van der Velde N, Melhus H, Robinson-Cohen C, Cousminer DL, Nethander M, Vandenput L, Noordam R, Forgetta V, Greenwood CMT, Biggs ML, Psaty BM, Rotter JI, Zemel BS, Mitchell JA, Taylor B, Lorentzon M, Karlsson M, Jaddoe VVW, Tiemeier H, Campos-Obando N, Franco OH, Utterlinden AG, Broer L, van Schoor NM, Ham AC, Arfan Ikram M, Karasik D, de Mutsert R, Rosendaal FR, den Heijer M, Wang TJ, Lind L, Orwoll ES, Mook-Kanamori DO, Michaëlsson K, Kestenbaum B, Ohlsson C, Mellström D, CPGM de Groot L, Grant SFA, Kiel DP, Zillikens MC, Rivadeneira F, Sawcer S, Timpson NJ, Richards BJ: Low Frequency Synonymous Coding Variation in CYP2R1 has Large Effects on Vitamin D Level and Risk of Multiple Sclerosis. Podium Presentation, American Society for Human Genetics Annual Meeting, Orlando, FL Oct 2017.

Mitchell JA, Chesi A, McCormack SE, Cousminer DL, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Zemel BS, Grant SFA: Integrated Pediatric Bone Density Phenotypes and Genetic Regulation of the Developing Skeleton. Poster Presentation, American Society for Human Genetics Annual Meeting, Orlando, FL Oct 2017.

Mitchell JA, Chesi A, McCormack SE, Cousminer DL, Kalkwarf HJ, Lappe JM, Gilsanz V, Oberfield SE, Shepherd JA, Kelly A, Zemel BS, Grant SFA: Principal Component-Derived Pediatric Bone Density Phenotypes and Genetic Regulation of the Developing Skeleton. Poster Presentation, 10th World Congress on Development Origins of Health and Disease, Rotterdam, The Netherlands Oct 2017.

Awards and Honors

2016, John Haddad Young Investigator Award, AIM-ASMBR

2015, Young Investigator Travel Award, American Society for Bone and Mineral Research (ASBMR)

2015, NIH Mentored Research Scientist Development Award, K01 NHLBI

2014, Transdisciplinary Research on Energetics and Cancer (TREC) Travel Award, TREC Scientific Meeting, Harvard University

2014, American Association of Orthopaedic Surgeons (AAOS) Young Investigator Award: Musculoskeletal Sex Differences throughout the Lifespan Symposium

2013, Transdisciplinary Research on Energetics and Cancer (TREC) Travel Award,  Fred Hutchinson Cancer Research Center

2012, Transdisciplinary Research on Energetics and Cancer (TREC) Travel Award, TREC Scientific Meeting, Washington University in St Louis

2012, New Investigator Award: American Society of Preventive Oncology (ASPO)

2011-2014, NIH Ruth L. Kirschstein National Research Service Award, F32 NCI

2010, Michael L. Pollock Student Scholarship, American College of Sports Medicine

2007-2011, Graduate (Ph.D.) Student Award, University of South Carolina

Editorial and Academic Positions

Editorial Positions

Ad Hoc Reviewer

2015-present, New England Journal of Medicine

2015-present, Public Health Reports

2015-present, British Journal of Nutrition

2014-present, Lancet Diabetes and Endocrinology

2014-present, American Journal of Human Biology

2014-present, BMJ Open

2014-present, European Journal of Sports Science

2014-present, Journal of Clinical Endocrinology & Metabolism

2013-present, Preventive Medicine

2013-present, JAMA Pediatrics

2013-present, The Journal of Early Adolescence

2013-present, Nutrition, Metabolism & Cardiovascular Diseases

2013-present, Journal of Science and Medicine in Sports

2013-present, Human Biology

2013-present, International Journal of Epidemiology

2013-present, International Journal of Obesity

2013-present, Lancet

2013-present, Journal of Epidemiology & Community Health

2013-present, Sleep Medicine

2013-present, Nutrition Journal

2013-present, Annals of Human Biology

2012-present, Obesity

2012-present, Archives of Pediatric and Adolescent Medicine

2012-present, Journal of Physical Activity and Health

2012-present, Pediatric Obesity

2012-present, Medicine and Science in Sports and Exercise

2012-present, Pediatrics

2012-present, Twin Research and Human Genetics

2010-present, American Journal of Preventive Medicine

2010-present, BMC Public Health

Academic and Institutional Committees

2014-present, The Institute for Translational Medicine and Therapeutics (ITMAT), University of Pennsylvania (associate member)

2014, Genetic Epi Journal Club, University of Pennsylvania (co-organizer)

2011-present, Transdisciplinary Research on Energetics and Cancer Center, University of Pennsylvania (trainee member)

Leadership and Memberships

Memberships in Professional Organizations

2015-present, Endocrine Society (Member)

2015-present, American Society for Bone and Mineral Research (ASBMR) (Member)

2008-2014, Obesity Society (Member)

2007-present, American College of Sports Medicine (ACSM) (Member)