1. Department of Rheumatology and Immunology, The Affiliated Suqian First People’s Hospital of Nanjing Medical University, Suqian 223800, China
2. Department of Expanded Program on Immunization, Jiangsu Provincial Center for Disease Control and Prevention, Nanjing 210009, China
3. Medical Department, Affiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing 210000, China