1. Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary;
2. WHO Collaborating Centre on Vulnerability and Health, Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary;
3. National Institute on Health Development, Department of Primary Health Care, Budapest, Hungary;
4. MTA-DE-Public Health Research Group, University of Debrecen, Debrecen, Hungary