1. Department of Pharmaceutical Sciences; Howard University; Washington; DC; 20059; USA
2. Global Technology Resource Center; 145 Rosewood Drive; Streamwood; IL; 60107; U.S.A
3. Kyoto Bunkyo Junior University; Kyoto; 611-0041; Japan
4. Chiba Institute of Science; Chiba; 288-0025; Japan
5. Kinki University; Nara; 631-8505; Japan
6. Department of Complementary and Alternative Medicine, Clinical Research and Development; Graduate School of Medical Science; Kanazawa University; Ishikawa; 920-1192; Japan