1. Department of Geriatric Psychiatry, GGz Breburg, Tilburg, The Netherlands
2. Department of Clinical and Life Span Psychology, Vrije Universiteit Brussel (VUB), Brussels, Belgium
3. Department of Geriatric Psychiatry, Belgium and Mondriaan Hospital, Heerlen-Maastricht, The Netherlands
4. Center for Psychotherapy, Beuningen, The Netherlands
5. Tranzo Department, Tilburg University, Tilburg, The Netherlands
6. GGz Breburg, Clinical Center of Excellence for Body, Mind and Health, Tilburg, The Netherlands.
7. Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands