1. Department of Dermatology, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
2. Department of Dermatology, The Affiliated Xuzhou Municipal Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
3. Department of Dermatology, Nantong Third People’s Hospital, Affiliated Nantong Hospital, Nantong, Jiangsu, China