1. Dipartimento di Scienze Mediche e Chirurgiche Materno-infantili e dell'adulto, Università degli Studi di Modena e Reggio Emilia, Modena, Italy
2. Mother-Infant Department, Modena Policlinico Hospital, University of Modena and Reggio Emilia, Modena, Italy
3. Department of Obstetrics and Pediatrics, Arcispedale Santa Maria Nuova di Reggio Emilia, Reggio Emilia, Italy
4. Department of Medical and Surgical Sciences for Mother, Child and Adult, University of Modena and Reggio Emilia, Prenatal Medicine Unit, Obstetrics and Gynecology Unit, Modena, Italy
5. Emilia-Romagna Region, Health facilities, Technologies and Information Systems Unit, Emilia-Romagna Region, Bologna, Italy
6. Ospedale Sant'Anna, Neonatologia Universitaria, Torino, Italy
7. Azienda Policlinico, Modena, Italy