1. Department of Dermatology; Southwest Hospital; Nanjing China
2. Department of Epidemiology; College of Preventive Medicine; Third Military Medical University; Chongqing China
3. Institute of Dermatology; Chinese Academy of Medical Sciences; Nanjing China
4. Department of Dermatology; Affiliated Hospital of Nantong University; Nantong China
5. Department of Dermatology; Xiehe Hospital; Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
6. Department of Dermatology; Tongji Hospital; Tongji Medical College; Tongji Medical College of Huazhong University of Science and Technology; Wuhan China
7. Department of Dermatology; First Hospital of Shanxi Medical University; Taiyuan China
8. Department of Dermatology; The Third Xiangya Hospital of Central South University; Changsha China
9. Department of Dermatology; The Affiliated Hospital of Xuzhou Medical College; Xuzhou China
10. Department of Dermatology and Allergy; Technical University of Munich; Munich Germany