Gerber, M., Müller, I., Walter, C., du Randt, R., Adams, L., Gall, S., Joubert, N., Nqweniso, S., Smith, D., Steinmann, P., Probst-Hensch, N., Utzinger, J., Pühse, U. (2018). Physical activity and dual disease burden among South African primary schoolchildren from disadvantaged neighbourhoods, Prev Med, doi: 10.1016/j.ypmed.2018.04.001.