1. Bioimaging, Analysis & Pharmacokinetics Research Labs. Drug Discovery research; Astellas Pharma Inc; 21 Miyukigaoka Tsukuba-shi Ibaraki 305-8585 Japan
2. Center for Nano Material and Technology; Japan Advanced Institute of Science and Technology; 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
3. Department of Pharmaceutical Engineering, Faculty of Engineering; Toyama Prefectural University; 5180 Kurokawa Imizu-City Toyama 939-0398 Japan