“…Although the majority of patients are of Japanese origin, there is an increasing number of non-Japanese cases, most of which are reported from Mediterranean countries such as Turkey (24 cases) [2,3,4,5,6,7,8], Sicily (5 cases) [9], Italy (2 cases) [10], and Spain (2 cases) [11, 12]. This suggests that the dermatosis has an ethnic predisposition probably due to environmental and genetic factors.…”