1. Graduate School, China Medical University, Shenyang, China;
2. Department of Dermatology, The First Hospital of China Medical University and Key Laboratory of Immunodermatology, Ministry of Health and Ministry of Education, Shenyang, China;
3. Department of Pathology, The First Hospital of China Medical University, Shenyang, China;
4. Department of Dermatology, the 2nd Affiliated Hospital of Dalian Medical University, Dalian, China