1. Department of Pharmaceutical Technology, Graduate School of Medical and Pharmaceutical Science, University of Toyama, 2630 Sugitani, Toyama-shi, Toyama 930-0194, Japan
2. Department of Pharmaceutics, Hoshi University, 2-4-41 Ebara, Shinagawa-ku, Tokyo 142-8501, Japan
3. Nihon Rufuto Company, Ltd. Ueno Fuji Building, 5-1-8 Higashiueno, Taito-ku, Tokyo 110-0015, Japan
4. Mechanical CAE Division, Cybernet Systems Company,
Ltd., Building 3 Kanda-neribeicho, Chiyoda-ku, Tokyo 101-0022, Japan
5. Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado-shi, Saitama 350-0295, Japan