1. Department of General Surgery, Shanxi Academy of Medical Sciences, Shanxi Dayi Hospital, Taiyuan, Shanxi, China (mainland)
2. Department of Hepatobiliary and Pancreatic Surgery, Shanxi Provincial People’s Hospital, Taiyuan, Shanxi, China (mainland)
3. Department of General Surgery, hanxi Academy of Medical Sciences, Shanxi Dayi Hospital, Taiyuan, Shanxi, China (mainland)
4. Department of Anesthesiology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, China (mainland)
5. Guangdong Provincial Key Laboratory of Medical Molecular Diagnostics, Guangdong Medical University, Dongguan, Guangdong, China (mainland)