1. Registered Nurse at Department of Health Promotion
2. Assistant Professor at Department of Health Promotion
3. Professor of Old Age Medicine, Department of General Practice and Department of Health Services Research, Faculty of Health Medicine and Life Sciences/CAPHRI, Maastricht University, Netherlands
4. Scientific Advisor, Department of Research and Education, CIRO, Horn, Netherlands
5. Professor of Respiratory Medicine, Department of Respiratory Medicine
6. Elderly Care Physician, Centre of Expertise for Palliative Care; both at Maastricht University Medical Centre+ (MUMC+), the Netherlands, and, Department of Research and Education, CIRO, Horn, the Netherlands