Corrigendum: Exercise training from late middle age until senescence does not attenuate the declines in skeletal muscle aerobic function

Corrigendum: Betik AC, Thomas MM, Wright KJ, Riel CD, Hepple RT. Exercise training from late middle age until senescence does not attenuate the declines in skeletal muscle aerobic function. Am J Physiol Regul Integr Comp Physiol 297: R744-R755, 2009. First published July 1, 2009; doi:10.1152/ajpregu.90959.2008; doi:10.1152/ajpregu.zh6–6979-corr.2009 (http://ajpregu.physiology.org/cgi/content/full/297/3/R744).