A. Salazar Ceballos, L. Álvarez Miño, K. D. C. Ardila Arguello, and L. Del Prado Perea, “Association between travel mode, physical activity and sociodemographic variables in undergraduate students health, Santa Marta, Colombia, 2013: cross sectional study”, archmed, vol. 15, no. 2, pp. 250–259, Dec. 2015, doi: 10.30554/archmed.15.2.824.2015.