1 Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del S.Cuore, Fondazione Policlinico Universitario A.Gemelli-IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico), Rome, Italy.
2 Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
3 Endocrinology Unit, Fondazione IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
4 Department of Neurosurgery and Spine Surgery, University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
5 Department of Medical Biotechnologies and Translational Medicine, University of Milan, Milan, Italy.
6 Division of Endocrine and Metabolic Diseases, IRCCS (Istituto di Ricovero e Cura a Carattere Scientifico) Istituto Auxologico Italiano, Milan, Italy.