1. Nursing Sciences, Program in Clinical Health Sciences, Utrecht University, University Medical Center Utrecht, Utrecht, Netherlands
2. Stichting Zorggroep Florence, Home Care, The Hague, Netherlands
3. Division of Nursing Science, Department of Internal Medicine, Erasmus MC, University Medical Center Rotterdam, Rotterdam, Netherlands
4. Nursing Science, Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, Netherlands