Affiliation: | 1. Department of Dermatology, Nanfang Hospital, South Medical University, Guangzhou, Guangdong, China;2. Department of Dermatology, Dongguan No. 6 People's Hospital, Guangzhou, Guangdong, China;3. Guangzhou Institute of Dermatology, Guangzhou, China;4. Institute of Dermatology, Guangzhou Medical University, Guangzhou, Guangdong, China;5. Department of Dermatology, Guangdong No. 2 Provincial People's Hospital, Guangzhou, Guangdong, China |