1. State Key Laboratory for Molecular Virology and Genetic Engineering, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China
2. Capital Institute of Pediatrics, Beijing 100020, China
3. Shanxi Academy of Advanced Research and Innovation, Taiyuan 030032, China
4. Chongqing Research Institute of Big Data, Peking University, Chongqing 400039, China