1 Graduate School, Jinzhou Medical University, Jinzhou, China.
2 Department of Dermatology, The Affiliated Lianyungang Hospital of Xuzhou Medical University/The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China.
3 Department of Dermatology, The Affiliated Lianyungang Hospital of Xuzhou Medical University/The First People's Hospital of Lianyungang, Lianyungang, Jiangsu, China; Department of Dermatology, The First Affiliated Hospital of Kangda College of Nanjing Medical University, Lianyungang, Jiangsu, China. Electronic address: lyghuwl@163.com.