1. Department of Dermatology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China (mainland)
2. Department of Dermatology, Ningbo Medical Center Lihuili Hospital, Ningbo, Zhejiang, China (mainland)
3. Department of Dermatology, Shan Dong Yan Tai Nursing School, Yantai, Shandong, China (mainland)