[1]Departments of Precision Medicine and Polyspecialistic Internal Medicine University of Campania "Luigi Vanvitelli" and University Hospital Naples 80131 Italy;
[2]Department of Physical and Mental Health University of Campania“Luigi Vanvitelli” Naples 80131 Italy;
[3]Department of Medical and Surgical Specialties and Dentistry University of Campania“Luigi Vanvitelli” Naples 80131 Italy;
[4]Surgical Digestive Endoscopy Department of Clinical Medicine and Surgery Federico Ⅱ University Naples 80131 Italy;
Inflammatory bowel diseases; Bone alterations; Bone mineral density; Osteoporosis; Osteopenia; Ulcerative colitis; Crohn’s disease;