1. Department of Infectious, Tropical Diseases and Microbiology, I.R.C.C.S. Sacro Cuore Don Calabria Hospital, 37024 Negrar di Valpolicella, VR, Italy
2. Pediatric Department, I.R.C.C.S. Sacro Cuore Don Calabria Hospital, 37024 Negrar di Valpolicella, VR, Italy
3. Obstetrics Unit, Women’s and Children’s Health Department Gynecology, University of Padua, 35122 Padova, PD, Italy
4. College of Public Health, University of South Florida, Tampa, FL 33620, USA