Gómez Montes, J., Curcio, C.-L., Alvarado, B., Zunzunegui, M. and Guralnik, J. (2013) “Validity and reliability of the Short Physical Performance Battery (SPPB): a pilot study on mobility in the Colombian Andes.”, Colombia Médica, 44(3), pp. 165-171. doi: 10.25100/cm.v44i3.1181.