1. Faculty of Pharmaceutical Sciences of Nagasaki International University; 2825-7, Huis Ten Bosch Sasebo 859-3298 Japan
2. Faculty of Environmental Studies; Nagasaki University; 1-14, Bunkyo-machi Nagasaki 852-8521 Japan
3. Department of Chemistry; Tamkang University; Tamsui 251 Taiwan
4. Technology Center of Nagasaki; 2-1308-8, Ikeda Omura Nagasaki 856-0026 Japan