1. Department of Japanese Oriental Medicine; Toyama Medical and Pharmaceutical University; Toyama Toyama 930-0194 Japan
2. Department of Applied Pharmacology; Toyama Medical and Pharmaceutical University; Toyama Toyama 930-0194 Japan
3. Department of Human Science; Toyama Medical and Pharmaceutical University; Toyama Toyama 930-0194 Japan
4. 21st Century COE Program; Toyama Medical and Pharmaceutical University; Toyama Toyama 930-0194 Japan