[1] Uniformed Services University of Health Sciences,Department of Pediatrics
[2] Boston Children’s Hospital,Department of Newborn Medicine and Respiratory Diseases
[3] Geisel School of Medicine at Dartmouth,Department of Pediatrics
[4] Boston University School of Medicine,Department of Pediatrics
[5] Slone Epidemiology Center at Boston University,Department of Biostatistics
[6] Boston University School of Public Health,Department of Pediatrics
[7] University of Texas Health Sciences Center,Department of Pediatrics
[8] Children’s Memorial Hermann Hospital,undefined
[9] University of Arkansas for Medical Sciences and Arkansas Children’s Research Institute,undefined
[10] American SIDS Institute,undefined
[11] 10Current address: Department of Pediatrics,undefined
[12] University of Massachusetts Memorial Medical Center,undefined
[13] Worcester,undefined
[14] MA,undefined
[15] USA.,undefined
[16] 11Current address: Department of Pediatrics,undefined
[17] Perlman School of Medicine,undefined
[18] University of Pennsylvania,undefined
[19] Philadelphia,undefined
[20] PA,undefined
[21] USA.,undefined