1. Department of Respiratory and Critical Care Medicine Nanfang Hospital, Southern Medical University Guangzhou China
2. Department of Dermatology, The USC‐Norris Comprehensive Cancer Center University of Southern California Keck Medical Center Los Angeles California USA
3. Guangdong Provincial Key Laboratory of Tropical Disease Research, Department of Occupational Health and Occupational Medicine, School of Public Health Southern Medical University Guangzhou China
4. Department of Endocrinology and Metabolism Nanfang Hospital, Southern Medical University Guangzhou China