1 1 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary 2 MTA-DE Public Health Research Group of the Hungarian Academy of Sciences, University of Debrecen, Debrecen, Hungary 3 WHO Collaborating Centre on Vulnerability and Health, Faculty of Public Health, University of Debrecen, Debrecen, Hungary adany.roza@sph.unideb.hu.