Department of Infectious Diseases;
Peking University First Hospital;
Beijing 100034;
China;
Indiana University School of Medicine;
Indianapolis;
IN 46202;
United States;
Beijing You'an Hospital;
Beijing 100054;
China;
Qinhuangdao Third Hospital;
Qinhuangdao 066000;
Hebei Province;
China;
Huai'an Infectious Disease Hospital;
Huai'an 223300;
Jiangsu Province;
China;