1. Department of Biomedicine, Faculty of Medicine; University of Porto; Porto Portugal
2. Department of Public Health, Forensic Sciences and Medical Education, Faculty of Medicine; University of Porto; Porto Portugal
3. Center for Research in Health Technologies and Information Systems (CINTESIS). Faculty of Medicine; University of Porto; Porto Portugal
4. Physical and Rehabilitation Medicine Department; Centro Hospitalar de Entre o Douro e Vouga; Santa Maria da Feira Portugal
5. Unidade de Saúde Pública, ACeS Porto Ocidental; Porto Portugal
6. EPIUnit - Instituto de Saúde Pública (ISPUP), University of Porto; Porto Portugal