1. Institute of Public Health Koprivnica-Križevci County, Koprivnica, Croatia,
2. Andrija Štampar School of Public Health, School of Medicine, University of Zagreb, Zagreb, Croatia
3. Municipal R&D Unit, County of Jamtland/Mid Sweden University, Östersund, Sweden
4. School of Medicine, Swansea University, Swansea, United Kingdom
5. Institute of Public Health Dubrovnik-Neretva County, Dubrovnik, Croatia
6. Social and Health Services, Elderly Care Services, Espoo, Finland
7. Croatian National Institute of Public Health, Zagreb, Croatia
8. City of Porvoo, Elderly Care Services, Porvoo, Finland
9. Health Centre of Viannos, Crete, Greece
10. Department of Public Health, County Council of Varmland and Jamtland, Sweden