1. Abel Salazar Institute of Biomedical Sciences, University of Porto, Porto, Portugal
2. Center for Health Technology and Services Research (CINTESIS.ICBAS), University of Porto, Porto, Portugal
3. Department of Geriatric Medicine, Mercy University Hospital, Cork City, Ireland
4. Centre for Gerontology and Rehabilitation, University College Cork, St Finbarr’s Hospital, Cork City, Ireland
5. Center for Health Technology and Services Research (CINTESIS.UA), University of Aveiro, Aveiro, Portugal
6. Department of Education and Psychology, University of Aveiro, Aveiro, Portugal
7. EPIUnit, Public Health Institute, University of Porto, Porto, Portugal