Bohannon, R.W., Wang, Y.-C., Bubela, D., & Gershon, R.C. (2018). Normative Two-Minute Walk Test Distances for Boys and Girls 3 to 17 Years of Age. Physical & occupational therapy in pediatrics, 38(1), 39–45. https://doi.org/10.1080/01942638.2016.1261981