1. Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan Province, China
2. Department of Spine Surgery, The Second Affiliated Hospital, University of South China, Hengyang, Hunan, China
3. Department of Neurosurgery, Tongji Hospital, Tongji University School of Medicine, Shanghai, China
4. Department of Neurosurgery, The First Affiliated Hospital of Zhengzhou University, No. 1 Jianshe East Road, Zhengzhou, Henan Province, 450052, China
5. School of Basic Medicine, Fourth Military Medical University, No. 169 Changle West Road, Xi’an 710032, China
6. Department of Anorectal Surgery, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Anorectal Disease Institute of Shuguang Hospital, 528 Zhangheng Road, Shanghai 201203, China