1. Research Group Mental Health Nursing, Inholland University of Applied Sciences, Amsterdam, the Netherlands
2. VU University Medical Center, Department of Psychiatry, EMGO Institute for Health and Care Research, Amsterdam, the Netherlands
3. Amsterdam School of Communication Research/ASCoR, University of Amsterdam, the Netherlands
4. VU University Medical Center, Department of Epidemiology and Biostatistics, Amsterdam, the Netherlands
5. Parnassia Psychiatric Institute, The Hague, the Netherlands
6. VU University Medical Centre, Department of Psychiatry, Alzheimer Centre, EMGO Institute for Health and Care Research, Amsterdam, the Netherlands