1. Department of General Surgery, Zhujiang Hospital, Southern Medical University, Guangzhou, China
2. Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong, SAR, China
3. The Second Clinical College, Southern Medical University, Guangzhou, Guangdong, China
4. School of Instrument Science and Engineering, Southeast University, Nanjing, Jiangsu, China
5. Department of General Surgery, The Sixth People’s Hospital of Huizhou City, Huizhou, China