1. Department of Biosciences and
Informatics, Keio University, 3-14-1 Hiyoshi,
Kouhoku-ku, Yokohama 223-8522, Japan
2. Center for Development of Advanced
Medicine for Dementia, National Center for Geriatrics and Gerontology, 35 Gengo, Morioka, Obu 474-8522, Japan