1. Department of Pancreatic Surgery, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
2. Department of General Surgery, The 7th Affiliated Hospital of Sun Yat-Sen University, Shenzhen, Guangdong, China
3. Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, China
4. School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China
5. National Key Laboratory of Science and Technology on Multi-Spectral Information Processing, Huazhong University of Science and Technology, Wuhan, China