1. Division of Neonatology Careggi University Hospital of Florence Florence Italy
2. Department of Neurosciences, Psychology, Drug Research, and Child Health University of Florence Florence Italy
3. Division of Neonatology and Neonatal Intensive Care Unit Ospedale Evangelico Betania of Naples Naples Italy
4. Division of Neonatology and Neonatal Intensive Care Unit Azienda Ospedaliero Universitaria of Cosenza Cosenza Italy
5. Division of Neonatology “V. Buzzi” Children's Hospital—ASST‐FBF‐Sacco Milan Italy
6. Department of Pediatrics, Pediatric and Neonatal intensive Care Unit Azienda Ospedaliera Universitaria Integrata Verona Italy
7. Neonatal Intensive Care Unit Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico of Milan Milan Italy
8. Department of Clinical Sciences and Community Health University of Milan Milan Italy
9. Neonatal and Paediatric Intensive Care Unit, Department of Human Pathology in Adult and Developmental Age “Gaetano Barresi” University of Messina Messina Italy
10. Neonatal Intensive Care Unit Azienda Ospedaliero‐Universitaria Policlinico—Vittorio Emanuele of Catania Catania Italy
11. Neonatal Intensive Care Unit, IRCCS AOUBO, Department of Medical and Surgical Sciences University of Bologna Bologna Italy
12. Division of Neonatology, Ospedale San Bortolo of Vicenza Vicenza Italy
13. Division of Neonatology Catholic University of Rome Rome Italy
14. Division of Neonatology, Neonatal Intensive Care Unit Azienda Ospedaliero‐Universitaria Foggia Italy
15. Neonatal Intensive Care Unit and Neonatal Accompaniment Unit, Azienda Ospedaliero‐Universitaria Policlinico “Rodolico‐San Marco”, San Marco Hospital University of Catania Catania Italy
16. Neonatal Intensive Care Unit and High‐Risk Follow up Program, Cà Foncello Regional Hospital Azienda ULSS 2 Marca Trevigiana of Treviso Treviso Italy
17. SC Epidemiologia Clinica Istituto di Ricovero e Cura a Carattere Scientifico Ospedale Policlinico San Martino of Genova Genoa Italy