1. University of Chieti and Pescara “Gabriele d’Annunzio”, Department of Pediatrics, Italy (S.L.B., F.C.).
2. Pescara Public Hospital, Neonatal Intensive Care Unit, Italy (S.L.B., E.C., V.C., P.C., S.D.V.).
3. The University of Auckland, Liggins Institute, New Zealand (V.C.).
4. Pescara Public Hospital, Department of Radiology, Italy (M.S.).