1. Department of Clinical Neurosciences Hermanas Hospitalarias Villa S. Benedetto Menni Hospital Albese (Como) Italy
2. Humanitas Clinical and Research Center IRCCS Rozzano Italy
3. Rheumatology Unit University of Messina Messina Italy
4. Trauma and Orthopedic Unit Santissima Trinità Hospital Cagliari Italy
5. Department of Rheumatology University Hospital ASST Fatebenefratelli Sacco Milan Italy