1 Department of Dermatovenereology (Zhang, Chen) and Institute of Dermatology (Xu), Chengdu Second People's Hospital, Chengdu, Sichuan, China.
2 Department of Dermatovenereology (Zhang, Chen) and Institute of Dermatology (Xu), Chengdu Second People's Hospital, Chengdu, Sichuan, China 13980427003@163.com.