1. School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China
2. The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China.
3. Gansu University of Traditional Chinese Medicine, Lanzhou, Gansu, China.
4. School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, China. Gansu University of Traditional Chinese Medicine, Lanzhou, Gansu, China.