EndOsMet Division;
Branch of Metabolic Bone Diseases;
Villa Donatello Private Hospital;
Florence;
Italy;
Hercolani Center;
Bologna;
Italy;
St. Orsola-Malpighi Hospital;
Bologna;
Italy;
Cardio-Thoracic-Vascular Department;
Division of Internal Medicine;
University of Bologna;
Bologna;
Italy;
Vitamin D Metabolites; Vitamin D Metabolism; Vitamin D and Bone Cells; Vitamin D and Sun Exposure; Vitamin D Pathophysiology;