1. Philadelphia Zorg regio Noordwest; Organization for People with a Mental Disability; Mental Health Care Hospital GGZ Noord-Holland Noord; Heiloo The Netherlands
2. Department of Scientific Institute for Quality of Healthcare; Radboud University Medical Center; Nijmegen The Netherlands
3. Mental Health Care Hospital GGZ Noord-Holland Noord; Heerhugowaard The Netherlands
4. Center for Bipolar Disorder; Dimence Mental Health Care; Deventer The Netherlands
5. GGZ-VS Institute for the Education of Clinical Nurse Specialist in Mental Health; Utrecht The Netherlands
6. Department of Nursing Sciences; Ghent University; Ghent Belgium
7. Centre for Health Services and Nursing Research; KU Leuven; Leuven Belgium