- The Pediatric Brain Tumor Foundation
- http://www.pbtfus.org/
- Japan Brain Foundation
- http://www.jbf.or.jp/
- The Federation of Pharmaceutical Manufactures' Associations of Japan
- http://www.fpmaj.gr.jp/
- The Japan Society for Neuro-Oncology
- http://www.jsn-o.com/
- The Society for Neuro-Oncology
- http://www.soc-neuro-onc.org/
- Asian Society for Neuro-Oncology
- http://www.asn-o.com/
- European Association of NeuroOncology
- http://www.eano.eu/
- Hakodate·Southern Hokkaido Tourist Guide
- http://www.hakodate-kankou.com/f/index_e.html
- Narita International Airport
- http://www.narita-airport.jp/en/index.html
- Haneda Airport
- http://www.tokyo-airport-bldg.co.jp/fl/english/
- Kansai International Airport
- http://www.kansai-airport.or.jp/en/index.asp
- Chubu International Airport
- http://www.centrair.jp/en/index.html
