1. Section of Gynecology and Obstetrics, Maternal and Infant Department, Città di Castello Hospital, Città di Castello, Perugia, Italy;
2. Section of Anesthesia, Intensive Care and Pain Medicine, Department of Emergency and Urgency, Città di Castello Hospital, Città di Castello, Perugia, Italy;
3. Section of Anesthesia, Analgesia and Intensive Care, Department of Surgical and Biomedical Sciences, University Hospital of Perugia, Perugia, Italy;
4. Section of Gynecology and Obstetrics, Department of Surgical and Biochemical Sciences, University of Perugia, Perugia, Italy;
5. Internal Medicine, Endocrine and Metabolic Science Section, University of Perugia, Perugia, Italy;
6. Section of Anesthesia, Intensive Care and Pain Medicine, University Hospital of Perugia, Perugia, Italy