1. Department of Biopharmaceutics, Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8414, Japan
2. School of Pharmacy, Shujitsu University, Kita, Okayama 703-8516, Japan
3. Faculty of Pharmaceutical Sciences, Doshisha Women’s College of Liberal Arts, Kodo, Kyotanabe, Kyoto 610-0395, Japan
4. Department of Pharmaceutical Technology, Kobe Pharmaceutical University, Motoyamakita-machi 4-19-1, Higashinada, Kobe 658-8558, Japan