Makoto Arai*, Shuichi Katai, Shin-ichi Muramatsu, Takao Namiki, Toshihiko Hanawa and Shun-ichiro Izumi
* Corresponding author: Makoto Arai arai@tokai-u.jp
BMC Complementary and Alternative Medicine 2012, 12:207 doi:10.1186/1472-6882-12-207