1. Department of Health Services Research Care and Public Health Research Institute (CAPHRI) Maastricht University Maastricht The Netherlands
2. Department of Internal Medicine, Geriatrics Maastricht University Medical Centre Maastricht The Netherlands
3. Department of Integrated Care, Elderly Care Maastricht University Medical Centre Maastricht The Netherlands
4. Zuyd University of Applied Sciences Heerlen The Netherlands
5. Clinical Epidemiology and Medical Technology Assessment Maastricht University Medical Centre Maastricht The Netherlands
6. Department of Family Medicine Care and Public Health Research Institute (CAPHRI) Maastricht University Maastricht The Netherlands