1. CINTESIS—Center for Health Technology and Services Research Faculty of Medicine, Porto University, Porto, Portugal
2. Nursing School of Porto, Porto, Portugal
3. Dialysis Unit to Hospital Divino Espirito Santo, Ponta Delgada, Açores, Portugal
4. School of Economics, University of Porto and LIAAD-INESC Porto LA, Porto, Portugal
5. Institute of Health Sciences, Católica University, Lisbon, Portugal
6. Unidade de Saúde Familiar St. André de Canidelo, Vila Nova de Gaia, Porto, Portugal
7. São Carlos Federal University (UFSCar), São Carlos, Brazil
8. Federal University of Espírito Santo, Espírito Santo, Brazil
9. Faculdade Medicina São José Rio Preto (FAMERP), São josé do Rio Preto, Brazil
10. Florence Nightingale Hospital School of Nursing, Demiroglu Bilim University, Istanbul, Turkey