1 Family Medicine, Department of Community Medicine, Information and Decision in Health (MEDCIDS) of the Faculty of Medicine of Porto, Porto, Portugal; Researcher, Centre for Health Technology and Services Research (CINTESIS), Porto, Portugal. Email: carlosmartins20@gmail.com.
2 Faculty of Health Sciences, Centre for Family and Community Medicine, Medical University of Łódz, Łódz, Poland.
3 Chronic Diseases Research Centre, NOVA Medical School, NOVA University of Lisbon, Lisbon, Portugal; Researcher, Comprehensive Research Health Center, Lisbon, Portugal.
4 Section of General Practice & Research Unit for General Practice, Department of Public Health, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark; Professor, Primary Healthcare Research Unit, Region Zealand, Denmark.