[1] Fdn IRCCS Policlin San Matteo, Inst Dermatol, Pavia, Italy
[2] Univ Pavia, Pavia, Italy
[3] Univ Pavia, Forens Sci Sect Antonio Fornari, Dept Publ Hlth Expt & Forens Med, Pavia, Italy
[4] Fdn IRCCS Policlin San Matteo, Clin Epidemiol & Biometr Unit, Sci Direct, Pavia, Italy