Ruth Bradford Ruth Bradford is a clinical research coordinator in the Division of Pulmonary Medicine at The Children's Hospital of Philadelphia. Locations: Main Campus Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Background Selected publications2011Pinto S, Huang J, Tapia I, Karamessinis L, Pepe M, Gallagher PR, et al. Effects of race on upper airway dynamic function during sleep in children. Sleep. 2011 Apr 1;34(4):495-501. Cited in PubMed; PMCID: PMC3065260. Read the article Titles and Academic Titles Clinical Research Coordinator Departments and Services Sleep Center Publications Papers2014 Marcus CL, Meltzer LJ, Roberts RS, Traylor J, Dix J, D'ilario J, Asztalos E, Opie G, Doyle LW, Biggs SN, Nixon GM, Narang I, Bhattacharjee R, Davey M, Horne RS, Cheshire M, Gibbons J, Costantini L, Bradford R, Schmidt B; Caffeine for Apnea of Prematurity–Sleep Study. Long-term effects of caffeine therapy for apnea of prematurity on sleep at school age. Am J Respir Crit Care Med. 2014 Oct 1;190(7):791-9.