1. S. Francisco Dialysis Unit Porto Portugal
2. Vascular Access Center (Grupo Estudos Vasculares) Porto Portugal
3. Nursing School of Porto Porto Portugal
4. CINTESIS ‐ Center for Health Technology and Services Research, Faculty of Medicine Porto University Porto Portugal
5. B. Braun Avitum Renal Care Center Senhora da Hora Porto Portugal
6. Nephrology Department Centro Hospitalar de Vila Nova de Gaia/Espinho, Vila Nova de Gaia Portugal
7. Angiology and Vascular Surgery Department Centro Hospitalar do Porto Porto Portugal
8. School of Economics and LIAAD‐INESC Porto LA University of Porto Porto Portugal