1. Neonatal Unit and Neonatal Intensive Care Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italia
2. Department of Internal Medicine and Therapeutics, Unit of Rheumatology, Università di Pavia, Pavia, Italia
3. Biometry and Clinical Epidemiology Unit, Fondazione IRCCS Policlinico San Matteo, Pavia, Italia
4. Unit of Obstetrics and Gynaecology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italia
5. Pediatric and Adolescent Unit, Department of Internal Medicine, University of Pavia, Pavia, Italia;
6. Pediatric Endocrinology Unit, Department of Maternal and Children’s Health, Fondazione IRCCS Policlinico San Matteo, Pavia, Italia;
7. Department of Obstetrics and Gynaecology, Università di Pavia, Fondazione IRCCS Policlinico, Pavia, Italia