1. Copenhagen University Hospital—Rigshospitalet, Department of Neonatology, Blegdamsvej 9, 2100 Copenhagen, DenmarkbUniversity of Copenhagen, Faculty of Health and Medical Sciences, Blegdamsvej 3, Copenhagen, Denmark
2. Copenhagen University Hospital—Rigshospitalet, Department of Neonatology, Blegdamsvej 9, 2100 Copenhagen, DenmarkcCopenhagen University Hospital—Rigshospitalet, Department of Paediatrics and Adolescent Medicine, Blegdamsvej 9, Copenhagen, Denmark
3. Copenhagen University Hospital—Rigshospitalet, Department of Neonatology, Blegdamsvej 9, 2100 Copenhagen, Denmark