Santabárbara, J. Lopez-Anton, R. de la Cámara, C. Lobo, E. Gracia-García, P. Villagrasa, B. Bueno-Notivol, J. Marcos, G. Lobo, A. Clinically significant anxiety as a risk factor for dementia in the elderly community Acta psychiatr. Scand. 10.1111/acps.12966 2018 2018