1. Institute of Medical Pathology, Division of Endocrinology and Metabolic Diseases, Catholic University; Rome Italy
2. Division of Endocrinology; Department of Clinical and Molecular Sciences, Umberto I Hospital, Polytechnic University of Marche; Ancona Italy
3. Endocrine and Diabetes Unit, Department of Internal Medicine I, University Hospital, University of Wuerzburg, Wuerzburg; Germany
4. Department of Sports Science and Wellness; Parthenope University; Naples Italy
5. Department of Endocrinology and Diabetology; Fertility Techniques Structure, University Hospital S. Giovanni Di Dio E Ruggi D'aragona; Salerno Italy
6. Department of Clinical Medicine and Surgery; Section of Endocrinology, Federico II University; Naples Italy