1 Graduate School, Inner Mongolia Medical University, Hohhot, 010110, China.
2 Department of Physiology, Inner Mongolia Medical University Basic Medical College, Hohhot, 010110, China. Electronic address: 13948616829@163.com.
3 Graduate School, Inner Mongolia Medical University, Hohhot, 010110, China; Human Anatomy Teaching and Research Section (Digital Medical Center), Inner Mongolia Medical University Basic Medical College, Hohhot, 010110, China. Electronic address: wangxing197911@163.com.