Department of Immunology;
Capital Medical University;
Beijing 100069;
China;
Laboratory Department;
Capital Institute of Pediatrics;
Beijing 100020;
China;
Department of Microbiology;
Institute of Basic Medical Sciences;
ChineseAcademy of Medical Sciences & Peking Union Medical College;
Beijing100005;
China;
Laboratory Department;
Beijing Shijitan Hospital;
Beijing 100038;
China;
China Rehabilitation Center;
Institute of Medical Sciences;
Beijing 100077;
China;