1. Department of Dermatology Rare Diseases Center West China Hospital Sichuan University Chengdu China
2. School of Public Health Sun Yat‐Sen University Guangzhou China
3. School of Public Health and Preventive Medicine Monash University Melbourne Victoria Australia
4. West China School of Public Health and West China Fourth Hospital Sichuan University Chengdu China
5. West China School of Medicine West China Hospital Sichuan University Chengdu China
6. Department of Laboratory Medicine West China Hospital Sichuan University Chengdu China