[1] University of Milan,Department of Clinical Sciences and Community Health
[2] Fondazione IRCCS Ca’Granda Ospedale Maggiore Policlinico,Endocrinology Unit
[3] IRCCS Istituto Ortopedico Galeazzi,Rheumatology Unit
[4] IRCCS Istituto Ortopedico Galeazzi,Laboratory of Biotechnological Applications
[5] IRCCS San Raffaele Institute,Laboratory of Pediatric Endocrinology
[6] IRCCS San Raffaele Institute,Pediatric Bone Densitometry Service
[7] Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico,Division of Pathology
[8] University of Milan,Department of Biomedical, Surgical and Dental Sciences
[9] IRCCS Istituto Ortopedico Galeazzi,Endocrinology and Diabetology Service