1. Neonatology; Children's Hospital of Philadelphia; Philadelphia Pennsylvania
2. Neonatology; Nottingham University Hospitals NHS Trust; Nottingham UK
3. College of Nursing; University of Rhode Island; Kingston Rhode Island
4. Alpert; Medical School of Brown University; Women and Infants' Hospital of Rhode Island USA; Providence Rhode Island
5. Department of Neonatology; Bnai-Zion Medical Center; B&R Rappaport Faculty of Medicine; Technion; Haifa Israel
6. Department of Pediatrics and Child Health; Nihon University School of Medicine; Tokyo Japan
7. Neonatology; Brighton and Sussex University Hospital; Brighton Sussex UK
8. Department of Clinical Epidemiology and Biostatistics; McMaster University Medical School; Hamilton Ontario Canada