1. School of Health Sciences, University of Aveiro, Aveiro, Portugal;
2. Center for Health Technology and Services Research (CINTESIS.UA), University of Aveiro, Aveiro, Portugal;
3. Department of Health Sciences, University of Aveiro, Aveiro, Portugal;
4. Institute of Electronics and Telematics Engineering of Aveiro (IEETA), University of Aveiro, Aveiro, Portugal