%0 Journal Article %T Sarcopenia and Physical Frailty: Two Sides of the Same Coin %A Matteo Cesari %A Francesco Landi %A Bruno Vellas %A Emanuele Marzetti %J Frontiers in Aging Neuroscience %D 2014 %I Frontiers Media %R 10.3389/fnagi.2014.00192 %K elderly %K aging %K disability %K preventive medicine %K physical performance %K geriatric assessment %K skeletal muscle %K definition and concepts %U http://www.frontiersin.org/Journal/10.3389/fnagi.2014.00192/full