1. Department of Obstetrics and Gynecology, Nanjing Maternity and Child Health Care Hospital, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
2. Department of Infectious Disease, Institute of Liver Disease, Nanjing Jingdu Hospital, Nanjing 210002, China
3. Department of Traditional Chinese Internal Medicine, Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 200071, China
4. Department of Nursing, Gaoyou People’s Hospital, Yangzhou 225600, China
5. Department of Pathology, Chinese Ministry of Health-designated Key Laboratory of Antibody Technology, Nanjing Medical University, Nanjing 210029, China
6. Huadong Medical Institute of Biotechniques, Nanjing 210002, China