1 The First Clinical Medical College, Gansu University of Chinese Medicine, Lanzhou, China.
2 School of Clinical Medicine, Ningxia Medical University, Yinchuan, China.
3 Department of General Surgery, The First People's Hospital of Baiyin (Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine), Baiyin, China.
4 Department of General Surgery, The First People's Hospital of Baiyin (Third Affiliated Hospital of Gansu University of Traditional Chinese Medicine), Baiyin, China. wangjunhong126@126.com.
5 The First Clinical Medical College, Lanzhou University, 222 Tianshui South Road, Lanzhou, 730000, China. wangjunhong126@126.com.
6 The First Clinical Medical College, Lanzhou University, 222 Tianshui South Road, Lanzhou, 730000, China. ldyy_damx@lzu.edu.cn.
7 Department of Surgical Oncology, Gansu Provincial Hospital, Donggang West Road, 204, Lanzhou, China. ldyy_damx@lzu.edu.cn.