1 Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, University Federico II, Naples, Italy. colao@unina.it.
2 Dipartimento di Medicina Clinica e Chirurgia, Sezione di Endocrinologia, University Federico II, Naples, Italy.
3 Chair of Endocrinology, San Raffaele Vita-Salute University, Milano, Italy.
4 Pituitary Center, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
5 Assistance Publique-Hôpitaux de Paris, Service d'Endocrinologie et des Maladies de la Reproduction, Centre de Référence des Maladies Endocriniennes Rares dela Croissance, Hôpital Bicêtre, Paris, France.
6 UMR S-1185, Faculté de Médecine Paris-Sud 11, Université Paris-Sud, Université Paris-Saclay, Paris, France.
7 Department of Medicine, Division of Endocrinology and Center for Endocrine Tumors, Leiden University Medical Center, Leiden, The Netherlands.