1 The First Clinical Medicine College, Gansu University of Traditional Chinese Medicine, Lanzhou, 730000, China.
2 The First Clinical Medicine College, Gansu University of Traditional Chinese Medicine, Lanzhou, 730000, China; Department of Oncology Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China.
3 The First Clinical Medicine College, Lanzhou University, Lanzhou, 730000, China.
4 Department of Oncology Surgery, Gansu Provincial Hospital, Lanzhou, 730000, China. Electronic address: liyaoqi2017@hotmail.com.