[1] Dept Biomed & Surg Sci, Verona, Italy
[2] Ctr Study Osteoporosis & Metab Bone Dis, Sect Orthoped & Traumatol, Bergamo, Italy
[3] Univ Roma La Sapienza, Rome, Italy
[4] Univ Naples 2, Naples, Italy
[5] Med Clin 1, Dept Med & Surg Sci, Padua, Italy
[6] CNR, Aging Ctr, Padua, Italy