Ahern, A. L., Aveyard, P., Halford, J. C., Mander, A., Cresswell, L., Cohn, S. R., Suhrcke, M., Marsh, T., Thomson, A. M., and Jebb, S. A. (2014) BMC Public Health.
Rtveladze, K., Marsh, T., Webber, L., Kilpi, F., Goryakin, Y., Kontsevaya, A., Starodubova, A., McPherson, K., and Brown, M. (2012). Health, 4(12), 1471–1484.