1. Graduate School of Pharmaceutical SciencesThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
2. Institute of Low Temperature ScienceHokkaido University Sapporo 060-0819 Japan
3. Division of Developmental TherapeuticsExploratory Oncology Research & Clinical Trial CenterNational Cancer Center 6-5-1 Kashiwanoha, Kashiwa Chiba 277-8577 Japan
4. Drug Discovery InitiativeThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
5. Graduate School of MedicineThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
6. CREST (Japan) Agency for Medical Research and Development (AMED) 1-7-1 Otemachi, Chiyoda-ku Tokyo 100-0004 Japan