[1] Univ Bologna, DIMES, Dept Expt Diagnost & Specialty Med, Dermatol Sect, I-40138 Bologna, Italy
[2] Univ Bologna, DIMES, Dept Expt Diagnost & Specialty Med, Pathol Unit, I-40138 Bologna, Italy
[3] SOrsola Malpighi Hosp, Lab Oncol Mol Pathol, I-40138 Bologna, Italy
[4] Univ Bologna, DIMES, Dept Expt Diagnost & Specialty Med, Histol Embryol & Appl Biol Unit, I-40138 Bologna, Italy
[5] Univ Roma Tor Vergata, Dept Syst Med, Div Dermatol, I-00133 Rome, Italy