1. Department of Dermatology Affiliated Hospital of North China University of Science and Technology Tangshan Hebei Province China
2. Department of Clinical Laboratory Chengde Central Hospital Chengde Hebei Province China
3. Zhejiang Provincial People's Hospital Qingdao University Hangzhou Zhejiang Province China
4. Department of Dermatology Affiliated Hospital of Chengde Medical College Chengde Hebei Province China