1 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary. Electronic address: bujdoso.orsolya@sph.unideb.hu.
2 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary. Electronic address: pal.laszlo@sph.unideb.hu.
3 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary. Electronic address: nagy.attila@sph.unideb.hu.
4 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary. Electronic address: arnyaser@gmail.com.
5 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary; MTA-DE Public Health Research Group of Hungarian Academy of Sciences, University of Debrecen, Debrecen, Hungary. Electronic address: adany.roza@sph.unideb.hu.
6 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary. Electronic address: sandor.janos@sph.unideb.hu.
7 European Centre on Health of Societies in Transition, London School of Hygiene and Tropical Medicine, London, United Kingdom. Electronic address: martin.mckee@lshtm.ac.uk.
8 Department of Preventive Medicine, Faculty of Public Health, University of Debrecen, Debrecen, Hungary. Electronic address: szucs.sandor@sph.unideb.hu.