Affiliation: | 1. Department of Dermatology, Bologna University, Via Massarenti, 1, Bologna 40138, Italy;2. Department of Dermatology, Santa Casa de São Paulo Hospital, João Moura Street, 975 (164), Jardim América, São Paulo, SP 05412-002, Brazil;3. Department of Dermatology, St George Hospital, University of New South Wales, Sydney, NSW 2217, Australia |