1 Section of Endocrinology, Department of Clinical Medicine and Surgery, University ''Federico II'', Via Sergio Pansini, 5, Naples, Italy. giovanna.muscogiuri@gmail.com.
2 Section of Internal Medicine, Endocrinology, Andrology and Metabolic Diseases, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy.
3 Division of Pediatrics, Department of Health Sciences, University of Piemonte Orientale ''A. Avogadro'', Alessandria, Italy.
4 Section of Endocrinology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Via Campi 287, 41125, Modena, Italy.
5 Division of Endocrinology, Department of Clinical and Molecular Sciences, Umberto I Hospital, Polytechnic University of Marche, Ancona, Italy.
6 Section of Endocrinology, Department of Clinical Medicine and Surgery, University ''Federico II'', Via Sergio Pansini, 5, Naples, Italy.