1. Institute of Healthcare and Wellbeing, NHL University of Applied Sciences
2. Faculty of Health Science Department of Nursing, Sifa University
3. Clinic of Geriatrics of Nicolaus Copernicus University, Collegium Medicum in Bydgoszcz
4. Medisch Centrum Leeuwarden
5. Faculty of Health Science Department of Nursing, Izmir Katip Celebi University