1. Department of Dermatology, Xijing Hospital; The Fourth Military Medical University; Xian China
2. Department of Dermatology, Union Hospital, Tongji Medical College; Huazhong University of Science and Technology; Wuhan China
3. Department of Dermatology, The Third Affiliated Hospital; Sun Yat-sen University; Guangzhou China
4. Department of Dermatology; Shandong Jining No. 1 People's Hospital; Jining China