1. Department of Pharmacy Practice and Science , School of Pharmaceutical Sciences University of Shizuoka ; 52–1 Yada Suruga-ku, Shizuoka 422–8526 , Japan
2. CMC Regulatory, Pharmaceutical Science and Technology CFU, Medicine Development Center, Eisai Co., Ltd . 4-6-10 Koishikawa, Bunkyo-ku, Tokyo 112-8088 , Japan
3. Faculty of Pharmaceutical Sciences , Teikyo Heisei University , 4-21-2, Nakano Nakano-ku, Tokyo 164-8530 , Japan