1. Unit of Endocrine Surgery, Department of Surgical Oncology and Oral Sciences, University of Palermo, 90127 Palermo, Italy
2. Department of General Endocrine and Metabolic Surgery, Conception Hospital, Aix-Marseille University, 147, Boulevard Baille, 13005 Marseille, France
3. Unit of General and Emergency Surgery, Department of Surgical Oncology and Oral Sciences, University of Palermo, 90127 Palermo, Italy
4. Section of Endocrinology, Department of Health Promotion Sciences Maternal and Infantile Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo, 90127 Palermo, Italy
5. Unit of General and Oncology Surgery, Department of Surgical Oncology and Oral Sciences, University of Palermo, 90127 Palermo, Italy