Mihalik, A., Ferreira, F. S., Moutoussis, M., Ziegler, G., Adams, R. A., Rosa, M. J., et al. (2020). Multiple holdouts with stability: Improving the generalizability of machine learning analyses of brain-behaviour relationships. Biological Psychiatry, 87(4), 368-376. doi:10.1016/j.biopsych.2019.12.001.