1. Research and Education Unit on Ageing, UnIFai, ICBAS, Institute of Biomedical Sciences Abel Salazar, Universidade do Porto, 4050-313 Porto, Portugal
2. School of Health Sciences, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
3. Instituto Superior de Serviço Social do Porto Cooperativa de Ensino Superior de Serviço Social, C.R.L., Avenue Dr. Manuel Teixeira Ruela, 370, 4460-362 Senhora da Hora, Portugal