1. Department of Medicine, Obstetrics and Gynecology Clinic, University of Udine, Udine, Italy
2. Department of Maternal and Child Health, Obstetrics and Gynecology Clinic, University-Hospital of Udine, Udine, Italy
3. Department of Medicine, Infectious Diseases Clinic, University of Udine, Udine, Italy
4. Department of Medicine, University of Udine, Udine, Italy