1. Leeds Unit of Complex Intervention Development (LUCID), Leeds Institute of Health Sciences, School of Medicine, University of Leeds , Leeds, UK
2. Department of Public Health, Aarhus University , Denmark
3. ResCenPI – Research Centre for Patient Involvement, Aarhus University, Aarhus and the Central Denmark Region , Denmark
4. Renal Unit, St James's University Hospital, Leeds Teaching Hospital Trust , Leeds , UK
5. Department of Medical and Surgical Sciences (DIMEC), University of Bologna , Bologna , Italy
6. Department of Renal Medicine, Aarhus University Hospital , Aarhus , Denmark
7. Department of Clinical Medicine, Aarhus University , Aarhus , Denmark