1. Department of Dermatology, Huashan Hospital Fudan University Shanghai China
2. Department of Dermatology China‐Japan Friendship Hospital Beijing China
3. Department of Dermatology The Second People's Hospital of Changzhou Changzhou Jiangsu China
4. Peking Union Medical College and Chinese Academy of Medical Sciences Graduate School Beijing China
5. Department of Dermatology and Venerology The First Hospital of Jilin University Changchun Jilin China