1. Maternal and Child Department, Azienda USL-IRCCS di Reggio Emilia, Pediatric Unit, Sant’Anna Hospital, Castelnovo ne’ Monti, Reggio Emilia, Italy
2. Infective Risk Control Strategic Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
3. Maternal and Child Department, Azienda USL-IRCCS di Reggio Emilia, ASMN Hospital, Reggio Emilia, Italy