Affiliation: | aDepartment of Maternal and Child Health, School of Public Health University of Alabama at Birmingham, Birmingham, AL;bDepartment of Pediatrics, College of Medicine, University of South Florida, Tampa, FL;cDepartment of Obstetrics, Gynecology, and Reproductive Sciences, University of Medicine and Dentistry of New Jersey-Robert Wood Johnson Medical School, Piscataway, NJ;dDepartment of Pediatrics, School of Medicine University of Alabama at Birmingham, Birmingham, AL |