The Journal of Physiological SciencesJanuary 2009, Volume 59, Supplement 1, pp 440–541 | Cite asAbstractArticleFirst Online: 01 January 2009 6 Downloads This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© The Physiological Society of Japan and Springer Japan 2009