1 Department of Microbiology and Infectious Disease Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China.
2 Department of Neurology, Peking University First Hospital, Beijing 100034, China.
3 Department of Thoracic Surgery, Peking University First Hospital, Beijing 100034, China.
4 Department of Neurology, Peking University First Hospital, Beijing 100034, China. Electronic address: haohj1963@126.com.
5 Department of Microbiology and Infectious Disease Center, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China. Electronic address: lingwang@bjmu.edu.cn.