Abstract :
To authenticate to the full-text of this article, please visit this link: http://dx.doi.org/10.1111/j.1532-5415.2009.02287.x Byline: Haruo Hanyu (*), K. Kazumasa Kume (*), Yusuku Takada (*), Takeshi Onuma (*), Toshihiko Iwamoto (*) Author Affiliation: (*)Department of Geriatric Medicine, Tokyo Medical University, Tokyo, Japan