R. M. Silva and P. D. Ávila,  "Health literacy survey Portugal: A contribution for the knowledge on health and communications", in Procedia Computer Science, Martinho, R., Rijo, R., Cruz-Cunha, M. M., Bjorn-Andersen, N., and Quintela Varajao, J. E., Ed., Porto, Elsevier, 2016, vol. 100, pp. 1033-1041