1. Division of Newborn Medicine and
2. Division of Pediatric Pulmonary and Sleep Medicine, Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas;
3. Sleep and Circadian Medicine Laboratory, Department of Physiology, Biomedicine Discovery Institute, and
4. School of Psychological Sciences and Turner Institute for Brain and Mental Health, Monash University, Melbourne, Victoria, Australia;
5. Institute for Social Science Research, The University of Queensland, Brisbane, Queensland, Australia; and
6. Division of Statistics, Washington University School of Medicine, St. Louis, Missouri;
7. Division of Allergy, Immunology and Pulmonary Medicine, Department of Pediatrics, and
8. St. Louis Children’s Hospital, St. Louis, Missouri