Hendriks, L., Witteman, M. J., Frietman, L. C. G., Westerhof, G., Van Baaren, R. B., Engels, R. C. M. E., & Dijksterhuis, A. J. (2009). Imitation can reduce malnutrition in residents in assisted living facilities [Letter to the editor]. Journal of the American Geriatrics Society, 571(1), 187-188. doi:10.1111/j.1532-5415.2009.02074.x.