1. Department of Dermatology, Peking University First Hospital, Beijing, China
2. National Autoimmune Bullous Disease Cooperative Group, China
3. National Clinical Research Center for Skin and Immune Diseases, Beijing, China
4. Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China
5. Department of Dermatology, Rui Jin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
6. Hospital of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China
7. Department of Dermatology & Venerology, Rare Diseases Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
8. Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
9. Department of Dermatology, Shandong Provincial Hospital for Skin Diseases & Shandong Provincial Institute of Dermatology and Venereology, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China