1. Department of Neurosurgery, The China-Japan Union Hospital of Jilin University, Changchun, Jilin, China (mainland)
2. Department of Neurosurgery, The First People’s Hospital of Shangqiu, Shangqiu, Henan, China (mainland)
3. Department of Neurology, The China-Japan Union Hospital of Jilin University, Changchun, Jilin, China (mainland)