1 Center for Advanced Measurement Science, National Institute of Metrology, Beijing, China.
2 Wuhan Jinyintan Hospital, Wuhan, China.
3 Center for Advanced Measurement Science, National Institute of Metrology, Beijing, China; Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.
4 Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China.
5 Center for Advanced Measurement Science, National Institute of Metrology, Beijing, China. Electronic address: [email protected].