1. Department of Psychiatry, Radboud University Medical Center, Nijmegen, the Netherlands
2. Donders Institute for Brain, Cognition and Behavior, Radboud University, Nijmegen, the Netherlands
3. Nijmegen Institute for Scientist Practitioners in Addiction, Radboud University, Nijmegen, the Netherlands
4. Depression Expertise Centre, Pro Persona, Nijmegen, the Netherlands
5. Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands
6. Dutch Depression Society, Amersfoort, the Netherlands
7. Department of Psychiatry, Catharina Hospital, Eindhoven, the Netherlands
8. Department of Health Evidence, Radboud University Medical Center, Nijmegen, the Netherlands
9. Department of Pharmacy, Radboud University Medical Center, Nijmegen, the Netherlands
10. Department of Clinical Chemistry, Erasmus University Medical Centre, Rotterdam, the Netherlands