1 Department of General Surgery & Obesity and Metabolic Disease Center, China-Japan Friendship Hospital, Beijing, 100029, China.
2 School of Basic Medicine, Xi'an Medical University, Xi'an, 710021, China; The Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Xi'an, 710021, China.
3 Department of General Surgery & Obesity and Metabolic Disease Center, China-Japan Friendship Hospital, Beijing, 100029, China. Electronic address: xinfeidejia@sina.com.
4 School of Basic Medicine, Xi'an Medical University, Xi'an, 710021, China; The Xi'an Key Laboratory of Pathogenic Microorganism and Tumor Immunity, Xi'an, 710021, China. Electronic address: yang.wang@xiyi.edu.cn.