[1] Univ Campania Luigi Vanvitelli, Dept Med & Surg Specialties & Dent, I-80138 Naples, Italy
[2] San Pietro Fatebenefratelli Hosp, Rheumatol Unit, I-00189 Rome, Italy
[3] ASST Niguarda Hosp, Dept Neurosci, Unit Rehabil Med & Neurorehabil, I-20162 Milan, Italy
[4] Univ Salento, Dept Expt Med, I-73100 Lecce, Italy
[5] Azienda Prov Serv Sanit, Santa Chiara Reg Hosp, Unit Rheumatol, I-38122 Trento, Italy
[6] APMARR Aps, Italian Natl Assoc People Rheumatol & Rare Dis, Lecce, Italy
[7] Univ Palermo, Dept Precis Med Med Surg & Cit Care Me Pre C C, I-90127 Palermo, Italy
[8] Policlin Paolo Giaccone, Dept Anesthesia Intens Care & Emergency, Palermo, Italy
[9] Univ Aquila, Dept Anesthesiol Intens Care & Pain Treatment, I-67100 LAquila, Italy
[10] San Bortolo Hosp, Intens Care Unit, IT-36100 Vicenza, Italy
[11] Azienda Osped San Camillo Forlanini, Rheumatol Unit, Rome, Italy
[12] ANMAR Onlus Assoc Nazl Malati Reumatici, I-00145 Rome, Italy
[13] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Dept Anesthesiol Intens Care & Emergency, Milan, Italy
[14] IRCCS Ist Ortoped Rizzoli, Orthopaed Dept 1, I-40136 Bologna, Italy
[15] Univ Bologna, Dept Biomed & Neuromotor Sci DIBINEM, I-40126 Bologna, Italy
[16] Univ Pavia, Dept Clin Surg Diagnost & Pediat Sci, I-27100 Pavia, Italy
[17] Policlin San Matteo, Policlin San Matteo, Unit Pain Therapy Serv, Pavia, Italy