1 Center for Health Technology and Services Research (CINTESIS@RISE), Department of Education and Psychology, University of Aveiro. Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
2 Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal.
3 Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Azinhaga de Santa Comba, 3000-548, Coimbra, Portugal. mtverissimo@gmail.com.