[1] Sapienza Univ, Dept Internal Med & Med Specialties, Div Dermatol, Viale Policlin 155, I-00100 Rome, Italy
[2] Univ Bologna, Dept Expt Diagnost & Specialty Med, Div Dermatol, Bologna, Italy
[3] Univ Modena & Reggio Emilia, Unit Dermatol Surg Med & Dent, Dept Morphol Sci Related Transplant Oncol & Regen, Modena, Italy
[4] Univ Ferrara, Dept Med Sci, Sect Dermatol & Infect Dis, Ferrara, Italy
[5] Univ Naples Federico II, Dept Clin Med & Surg, Sect Dermatol, Naples, Italy
[6] Univ Brescia, ASST Spedali Civili Brescia, Dept Dermatol, Brescia, Italy
[7] Celio Mil Hosp, Unit Dermatol & Venereol, Rome, Italy
[8] Luigi Vanvitelli Univ Campania, Nuovo Policlin, Unit Dermatol, Naples, Italy
[9] IRCCS & Fdn, S Matteo Univ Polyclin, Unit Dermatol, Pavia, Italy
[10] Univ Padua, Dept Med DIMED, Unit Dermatol, Padua, Italy
[11] IRCCS, San Gallicano Dermatol Inst, Rome, Italy
[12] Campus Biomed Univ Hosp, Rome, Italy
[13] Tor Vergata Polyclin, Dept Dermatol, Rome, Italy
[14] Univ Rome, Rome, Italy
[15] Univ Parma, Dept Clin & Expt Med, Sect Dermatol, Parma, Italy
[16] Univ Florence, Dept Surg & Translat Med, Sect Dermatol, Florence, Italy
[17] Sacred Heart Catholic Univ, IRCCS & Fdn, A Gemelli Univ Polyclin, Inst Dermatol, Rome, Italy
[18] Univ Perugia, Dept Med, Sect Dermatol, Perugia, Italy
[19] Univ Catania, Dept Dennatol, Catania, Italy
[20] Polytech Marche Univ, Dept Clin & Mol Sci, Unit Dermatol, Ancona, Italy