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Starr ME, Saito H.Starr ME, et al. Among authors: saito h.J Gerontol A Biol Sci Med Sci. 2012 Oct;67(10):1043-8. doi: 10.1093/gerona/gls009. Epub 2012 Mar 26.J Gerontol A Biol Sci Med Sci. 2012.PMID: 22451471Free PMC article.