1. UOC Ortopedia e Traumatologia OC San Bortolo di Vicenza (AULSS 8 Berica), 36100 Vicenza, Italy
2. Local Health Department, Desenzano sul Garda, 25015 Brescia, Italy
3. Unit of Rheumatology, San Pietro Fatebenefratelli Hospital, 00189 Rome, Italy
4. Department of Clinical-Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, 27100 Pavia, Italy
5. Pain Unit, IRCCS Policlinico San Matteo, 27100 Pavia, Italy
6. Anaesthesia, Intensive Care and Pain Unit, Department of Interdisciplinary Medicine, University of Bari “Aldo Moro”, 70124 Bari, Italy
7. Department of Rehabilitation, Catholic University of the Sacred Heart, 00168 Rome, Italy
8. Local Health Department Bari, Modugno, 70026 Bari, Italy
9. IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy
10. Rheumatology Unit, Azienda Ospedaliera Universitaria Integrata di Verona, University of Verona, 37126 Verona, Italy
11. Orthopaedic Ward, Casa di Cura Santa Maria Maddalena, Occhiobello, 45030 Rovigo, Italy