1. Department of Dermatology, Institute of Dermatology, the First Affiliated Hospital, Anhui Medical University, Hefei 230032, PR China
2. The Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei 230032, PR China
3. Department of Dermatology, China–Japan Friendship Hospital, Beijing 100029, PR China
4. Department of Dermatology, Institute of Dermatology, Huashan Hospital, Fudan University, Shanghai 200040, PR China