Affiliation: | aDivision of Pediatric Clinical Research, Department of Pediatrics, University of Miami Leonard M. Miller School of Medicine, Miami, FL;bDepartment of Epidemiology and Public Health, University of Miami Leonard M. Miller School of Medicine, Miami, FL;cDepartment of Obstetrics, Gynecology, and Reproductive Biology and Department of Epidemiology, Michigan State University, East Lansing, MI. |