[1] Fdn IRCCS CaGranda Osped Maggiore Policlin, Dermatol Unit, Via Pace 9, I-20122 Milan, Italy
[2] Univ Milan, Dept Pathophysiol & Transplantat, Milan, Italy
[3] San Carlo Clin, Outpatient Serv Allergol, Milan, Italy
[4] Univ Catania, Dept Clin & Expt Med Resp Med & Allergy, Catania, Italy
[5] San Gallicano Dermatol Inst Res & Care, Serv Occupat & Environm Allerg Dermatol, Rome, Italy
[6] Univ Turin, Dept Med Sci, Sect Dermatol, Turin, Italy
[7] Cristo Re Hosp, Dept Dermatol & Allergy, Rome, Italy
[8] Univ Bari, Dept Biomed Sci & Human Oncol, Sect Dermatol, Bari, Italy
[9] Univ Verona, Dept Med, Sect Dermatol, Verona, Italy
[10] Aldo Moro Univ, Sch Allergol & Clin Immunol, Dept Emergency & Organ Transplantat, Bari, Italy
[11] Polytech Marche Univ, Dept Clin & Mol Sci, Dermatol Unit, Ancona, Italy
[12] Univ Bologna, Dept Expt Diagnost & Specialty Med, Dermatol Unit, Bologna, Italy
[13] Univ Modena & Reggio Emilia, Surg Med & Dent Dept Morphol Sci Related Transpla, Dermatol Unit, Modena, Italy
[14] Univ Milan, IRCCS Galeazzi Orthoped Inst, Dept Biomed Surg & Dent Sci, Sect Clin Dermatol, Milan, Italy
[15] Univ Perugia, Dept Med, Sect Clin Allergol & Venereol Dermatol, Perugia, Italy