1. Department of Infectious Disease, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
2. Department of Pediatrics, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
3. Department of Information, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
4. Department of Epidemiology and Statistics, School of Public Health, Jiangsu Key Laboratory and Translational Medicine for Geriatric Disease, Medical College of Soochow University, Suzhou, Jiangsu, China
5. Department of Tropical Diseases, The Second Affiliation Hospital of Hainan Medical University, Haikou, China