Neurospinal Society of Japan
https://www.nsj-official.jp/en/about/index.htmlDepartment of Neurosurgery, Osaka Medical and Pharmaceutical University
https://www.ompu.ac.jp/u-deps/neu/Department of Neurosurgery, Takeda General Hospital
https://www.takedahp.or.jp/ijinkai/departments/neurosurgery/