1. Department of Hepatobiliary Surgery, The First People's Hospital of Yibin, Yibin, Sichuan, China (mainland)
2. Department of Endocrinology, The Second People's Hospital of Yibin, Yibin, Sichuan, China (mainland)
3. Department of Hepatobiliary Surgery, The First People’s Hospital of Yibin, Yibin, Sichuan, China (mainland)