1 Department of Dermatology, Keio University School of Medicine, Tokyo, Japan2Department of Dermatology and Venereology, Innsbruck Medical University, Innsbruck, Austria.
2 Department of Dermatology and Venereology, Innsbruck Medical University, Innsbruck, Austria.
3 Department of Dermatology, University of Luebeck, Luebeck, Germany.