1. Research Group Social Psychiatry and Mental Health Nursing, Hogeschool van Arnhem en Nijmegen (University of Applied Sciences), Nijmegen, Netherlands;
2. MET ggz, Primary Mental Healthcare, Roermond, Netherlands;
3. Clinical Psychology, Behavioural Science Institute, Radboud University, Nijmegen, Netherlands;
4. Pro Persona Research, Wolfheze, Netherlands;
5. Indigo Service Organization, Utrecht, Netherlands