Tomoya Hanibuchi*, Katsunori Kondo, Tomoki Nakaya, Miyo Nakade, Toshiyuki Ojima, Hiroshi Hirai and Ichiro Kawachi
* Corresponding author: Tomoya Hanibuchi info@hanibuchi.com
International Journal of Health Geographics 2011, 10:43 doi:10.1186/1476-072X-10-43