1. Sechenov First Moscow State Medical University, Department for Health Care and Public Health, Moscow, Russia
2. Ministère de la Santé et des Services Sociaux, Direction Générale de la Santé Publique, Quebec, Canada
3. McGill University, Department of Family Medicine, Montreal, Quebec, Canada
4. Ministry of Health of the Arkhangelsk Region, Department of Mother and Child Care, Arkhangelsk, Russia
5. Copenhagen University Hospital Rigshospitalet, Department of Neonatology, Copenhagen, Denmark