1 Department of Clinical Laboratory, Second Affiliated Hospital of Zhejiang University, School of Medicine, Hangzhou, China.
2 Department of Clinical Laboratory, General Hospital of Pingmei Shenma Group, Pingdingshan, China.
3 Department of Clinical Laboratory, Hangzhou Third People's Hospital, Hangzhou, China.
4 Department of Clinical Laboratory, Henan Provincial People's Hospital, Zhenzhou, China.
5 Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong Special Administrative Region, China. Electronic address: shechen@cityu.edu.hk.