1. Windesheim University of Applied Sciences, Research Group Innovating with Older Adults, Zwolle, The Netherlands
2. University of Groningen, University Medical Center Groningen, Department Internal Medicine, the Netherlands
3. University of Groningen, University Medical Center Groningen, Department of General Practice & Elderly Care Medicine, The Netherlands
4. Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Midwifery Science, Amsterdam Public Health Research Institute, The Netherlands
5. Windesheim University of Applied Sciences, Research Group Healthy Cities, Zwolle, The Netherlands
6. University of Groningen, University Medical Center Groningen, Health Psychology Section, The Netherlands
7. Leyden Academy on Vitality and Ageing, Leiden, The Netherlands