1. Institute of Infectious disease, Beijing Ditan Hospital, Capital Medical University, Beijing, People’s Republic of China
2. Beijing Key Laboratory of Emerging Infectious Disease, Beijing, People’s Republic of China
3. Department of Pulmonary and Critical Care Medicine, General Hospital of Datong Coal Mine Group Co., Ltd., People’s Republic of China
4. Department of Pathology and Laboratory Medicine, Western University, London, Ontario, Canada
5. Baruch S. Blumberg Institute, Hepatitis B Foundation, Doylestown, PA, USA