1. Department of Rheumatology, The Third Affiliated Hospital of Sun Yat-sen University , 600 Tianhe Road, Tianhe District, Guangzhou , China
2. Department of Infectious Disease, The Third People's Hospital of Shenzhen , 29 Bulang Road, Longgang district, Shenzhen , China
3. Nanfang Hospital, Southern Medical University , 1838 North Guangzhou Avenue, Baiyun District, Guangzhou , China
4. Department of Infectious Diseases, The Third Affiliated Hospital of Sun Yat-sen University , 600 Tianhe Road, Tianhe District, Guangzhou , China
5. Department of Gastroenterology, The Seventh Affiliated Hospital of Sun Yat-Sen University , 628 Zhenyuan Road, Guangming District, Shenzhen , China
6. Medical Research Center, The Eighth Affiliated Hospital of Sun Yat-sen University , 3025 Shennan Road, Futian District, Shenzhen , China