1. Maternal-Infant Care Research Centre; Mount Sinai Hospital; Canadian Neonatal Network; Toronto ON Canada
2. Swedish Neonatal Quality Register; Department of Women's and Children's Health; Uppsala University; Uppsala Sweden
3. Gertner Institute for Epidemiology and Health Policy Research; Sheba Medical Centre; Israel Neonatal Network; Tel Hashomer Israel
4. Australia and New Zealand Neonatal Network; Department of Paediatrics; University of Otago; Christchurch New Zealand
5. Department of Social Medicine; National Center for Child Health and Development; Neonatal Research Network Japan; Setagaya-ku Tokyo Japan
6. Neonatal Data Analysis Unit; Section of Neonatal Medicine; Department of Medicine; Imperial College London; UK Neonatal Collaborative; London UK
7. Swiss Neonatal Network; Department of Neonatology; University Hospital Zurich; University of Zurich; Zurich Switzerland
8. Neonatal Research Network Japan; Maternal and Perinatal Center; Tokyo Women's Medical University; Shinjuku Tokyo Japan
9. Australian and New Zealand Neonatal Network; Royal Hospital for Women; National Perinatal Epidemiology and Statistic Unit; University of New South Wales; Randwick NSW Australia
10. Spanish Neonatal Network; Hospital Universitario de Salamanca; Valencia Spain
11. Swedish Neonatal Quality Register; Department of Pediatrics/Neonatal Services; Umeå University Hospital; Umeå Sweden
12. Neonatal Research Network Japan; Department of Health Policy; National Center for Child Health and Development; Setagaya-ku Tokyo Japan
13. Spanish Neonatal Network; Health Research Institute La Fe; Valencia Spain