1. Division of Neonatal-Perinatal Medicine, Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
2. Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
3. Division of Neonatal-Perinatal Medicine, IWK Health, Halifax, Nova Scotia, Canada
4. School of Nursing, Faculty of Health, Dalhousie University, Halifax, Nova Scotia, Canada
5. Department of Neonatology, Southampton Children’s Hospital, Southampton, United Kingdom
6. Department of Nutrition, Texas A&M University, College Station
7. Department of Epidemiology, Texas A&M University, College Station
8. Department of Biostatistics, Texas A&M University, College Station