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