[1] Kyoto Univ, Grad Sch Agr, Kyoto 6068502, Japan
[2] Meiji Univ Integrat Med, MUIM Ctr Integrat Med, Kyoto, Japan
[3] Kyoto Univ, Grad Sch Global Environm Studies, Kyoto 6068502, Japan
[4] Osaka Univ, Grad Sch Med, Dept Complementary & Alternat Med, Osaka, Japan
[5] Takatsuki Red Cross Hosp, Osaka, Japan