1. NICU; Women's and Children's Health Department; ASST Rhodense; Ospedale of Rho; Rho Italy
2. NICU; Maria Vittoria Hospital; Torino Italy
3. NICU; Women's and Children's Health Department; Azienda Ospedaliera-University of Modena; Modena Italy
4. Women's and Children's Health Department; Infermi Hospital; Azienda Ospedaliera of Rimini; Rimini Italy
5. NICU; Mother's and Infant's Department; Valduce Hospital; Como Italy
6. NICU, “Le Scotte” Hospital; University of Siena; Siena Italy
7. NICU; Women's and Children's Health Department; Azienda Ospedaliera-University of Padova; Padova Italy