yijie guo department of pathogenic microbiology and immunology, school of basic medical sciences, xi’an jiao tong university, xi’an 710061, china; department of pathogenic microbiology and immunology, school of basic medical sciences, xi’an jiao tong university, xi’an 710061, china. tel: +86-2985267814, fax: +86-2985267814 ling wang department of biological science and engineering, shaanxi university of technology, hanzhong, 723001, china jine lei clinical laboratory, the first affiliated hospital of xi’an jiao tong university, xi’an jiao tong university, xi’an 710061, china jiru xu department of pathogenic microbiology and immunology, school of basic medical sciences, xi’an jiao tong university, xi’an 710061, china lei han department of pathogenic microbiology and immunology, school of basic medical sciences, xi’an jiao tong university, xi’an 710061, china

Chun-Yang Wang Jui-che Tsai Ching-Cheng Chuang Yao-Sheng Hsieh Chia-Wei Sun