1. Department of physiology, Guilin Medical University, Guilin, China
2. Department of Obstetrics and Gynecology, Third Affiliated Hospital of Xinxiang Medical College, Xinxiang, China
3. Department of Limbs Trauma Orthopedics, Affiliated Hospital of Guilin Medical University, Guilin, China
4. School of Basic Medical Sciences, Guilin Medical University, Guangxi, Guilin, China