1. Department of General Surgery and Obesity and Metabolic Disease Center China–Japan Friendship Hospital Beijing 100029 China
2. Department of Mechanical and Automation Engineering The Chinese University of Hongkong Hongkong 999077 China
3. School of Biological Science and Medical Engineering Beihang University Beijing 100191 China
4. Engineering College of Peking University Peking university Beijing 100029 China
5. School of Mechanical and Electrical Engineering Beijing University of Chemical Technology Beijing 100029 China
6. Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China
7. Department of Ultrasound China–Japan Friendship Hospital Beijing 100029 China
8. Department of Clinical Laboratory China–Japan Friendship Hospital Beijing 100029 China
9. Institute of Clinical Medical Sciences China–Japan Friendship Hospital Beijing 100029 China