Frehlich, L., Friedenreich, C., Nettel-Aguirre, A., & McCormack, G. R. (2018). Test-retest reliability of a modified International Physical Activity Questionnaire (IPAQ) to capture neighbourhood physical activity. Journal of Human Sport and Exercise, 13(1), 174–187. https://doi.org/10.14198/jhse.2018.131.17