1 Department of Neurosurgery, The Affiliated Changsha Hospital of Xiangya School of Medicine, Central South University, Changsha, Hunan, China.
2 Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China.
3 Department of Imaging, Clinical Research Center for Reproduction and Genetics in Hunan Province, Reproductive & Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China. yiwen1984vip@163.com.
4 Department of Imaging, NHC Key Laboratory of Human Stem Cell and Reproductive Engineering, School of Basic Medical Sciences, Central South University, Changsha, Hunan, China. yiwen1984vip@163.com.