1. Community Mental Health Care Unit/Long Treatment, GGNet, Warnsveld, The Netherlands
2. Scientific Institute for Quality of Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
3. Saxion University of Applied Sciences, Expertise Centre of Health, Social Work & Technology, Deventer, The Netherlands
4. Specialist Centre for Bipolar Disorders, Dimence, Deventer, The Netherlands
5. Department of Psychiatry, VU University Medical Center, Amsterdam, The Netherlands