1. Department of Pathogen Biology, Jiangsu Key Laboratory of Pathogen Biology, Nanjing Medical University , Nanjing, Jiangsu, China
2. Department of Respiratory Medicine, The Second Affiliated Hospital of Nanjing Medical University , Nanjing, Jiangsu, China
3. Department of Respiratory and Critical Care Medicine, Taizhou People’s Hospital Affiliated to Nanjing Medical University , Taizhou, Jiangsu, China
4. Department of Laboratory Medicine, The First Affiliated Hospital of Nanjing Medical University , Nanjing, Jiangsu, China
5. Department of Gastroenterology, Wujin People’s Hospital Affiliated to Jiangsu University , Changzhou, Jiangsu, China