Tsoucalas, G. Bourelia, S. Kalogirou, V. Giatsiou, S. Mavrogiannaki, E. Gatos, G. Galanos, A. Repana, O. Iliadou, E. Antoniou, A. Sgantzos, M. Gatos, K., End-stage dementia spark of life: Reliability and validity of the “GATOS” questionnaire, Current Alzheimer Research, (12), 179-188, 2015, Bentham Science Publishers B.V., 1567-2050