[1] Univ Roma Tor Vergata, Dept Syst Med Rheumatol Allergol & Clin Immunol, Rome, Italy
[2] Univ Roma Tor Vergata, Dept Syst Med, Dermatol, Rome, Italy
[3] IFO San Gallicano, Dermatol, Rome, Italy
[4] Ist Reumatol & Sci Affini, Rome, Italy
[5] Univ Cattolica Sacro Cuore, Ist Dermatol, Fdn Policlin Univ Agostino Gemelli Presidio Colum, Milan, Italy
[6] ASL RM6, Reumatol, Frascati, Italy
[7] ASL RM6, Dermatol, Frascati, Italy
[8] Osped San Camillo Forlanini, Reumatol, Rome, Italy
[9] Osped San Camillo Forlanini, Dermatol, Rome, Italy
[10] Univ Sapienza Polo Pontino, Dermatol, Rome, Italy
[11] Univ Sapienza Polo Pontino, Reumatol, Rome, Italy
[12] Policlin Umberto 1, Dipartimento Med Interna & Specialita Med, Reumatol, Rome, Italy
[13] Policlin Umberto 1, Dipartimento Med Interna & Specialita Med, Dermatol, Rome, Italy