1. Department of BiopharmaceuticsKumamoto UniversityKumamotoJapan
2. Center for Clinical Pharmaceutical SciencesSchool of PharmacyKumamoto UniversityKumamotoJapan
3. Department of MicrobiologyGraduate School of Pharmaceutical SciencesKumamoto UniversityKumamotoJapan
4. Precursory Research for Embryonic Science and Technology (PRESTO)Japan Science and Technology Agency (JST)SaitamaJapan
5. Department of Molecular MicrobiologyGraduate School of Medicine, Dentistry and Pharmaceutical SciencesOkayama UniversityOkayamaJapan
6. Tohoku Nipro Pharmaceutical CorporationFukushimaJapan
7. Faculty of Pharmaceutical SciencesSojo UniversityKumamotoJapan
8. Drug Delivery System (DDS) Research InstituteSojo UniversityKumamotoJapan