1. From OLVG, Department of Pediatrics (A.A.M.W.K., N.R.V.), and Academic Medical Center, Emma Children’s Hospital, Department of Neonatology (D.H.G.M.N., J.H.K.), the University of Amsterdam, Pediatric Clinical Research Office (J.H.L.) and the VU Medical Center, Vrije Universiteit, Department of Neonatology (R.C.J.J.), Amsterdam UMC, Amsterdam, Meander Medical Center, Department of Pediatrics, Amersfoort (P.F.E.), St. Antonius Hospital, Departments of Research and Epidemiology (L.M.D.) and Pediatrics (M.D....