1. Department of Medical Technology, Graduate School of Health Sciences, Niigata University, 746 Asahimachidori-2, Chuo-ku, Niigata, Niigata 951-8518, Japan
2. Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
3. Graduate School of Science, Osaka Prefecture University, Naka-ku, Sakai, Osaka 599-8570, Japan
4. Laboratory of Pathophysiology and Pharmacotherapeutics, Faculty of Pharmacy, Osaka Ohtani University, Tondabayashi, Osaka 584-8540, Japan