1. Coalition for Preemies Foundation, Medical University of Warsaw, 02-091 Warsaw, Poland
2. Department of Family Medicine, Wroclaw Medical University, 50-368 Wroclaw, Poland
3. Department of Social Medicine and Public Health, Medical University of Warsaw, 02-007 Warsaw, Poland
4. Department of Pediatrics, Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland
5. Department of Epidemiology, Infectious Diseases and Surveillance, National Institute of Public Health—National Institute of Hygiene—National Research Institute, 00-791 Warsaw, Poland
6. Department of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, 02-091 Warsaw, Poland
7. Department of Neonatology, Poznan University of Medical Sciences, 60-535 Poznań, Poland
8. Institute of Mother and Child, 01-211 Warsaw, Poland
9. Polish Pharmacoeconomic Society, Institute of Mother and Child, 01-211 Warsaw, Poland
10. Polish Neonatal Society, Clinical Department, University Hospital in Krakow, 30-688 Kraków, Poland
11. Centre of Postgraduate Medical Education, 01-813 Warsaw, Poland
12. Medical Faculty, Lazarski University, 02-662 Warsaw, Poland
13. Department of Health Prevention, Faculty of Health Sciences, Poznan University of Medical Sciences, 61-701 Poznań, Poland