1. Division of Health and Hygienic Sciences, Faculty of Pharmaceutical Sciences, Himeji Dokkyo University, 7-2-1 Kamiohno, Himeji 670-8524, Hyogo, Japan
2. Laboratory of Analytics for Biomolecules, Faculty of Pharmaceutical Science, Setsunan University, 45-1 Nagaotoge-cho, Hirakata-shi 573-0101, Osaka, Japan
3. Division of Chemotherapy, Kindai University Faculty of Pharmacy, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Osaka, Japan