1. Department of Dermatology and Venereology; Southwest Hospital; Third Military Medical University; Chongqing China
2. Department of Dermatology and Venereology; Xijing Hospital; Forth Military Medical University; Xi'an China
3. Department of Dermatology and Venereology; Third People's Hospital of Hangzhou; Hangzhou China
4. Department of Dermatology and Venereology; First People's Hospital of Wuhan; Wuhan China
5. IZZ Immunologie-Zentrum Zürich; Zurich Switzerland
6. Department of Dermatology and Allergy; Technische Universität München; Munich Germany