1 Department of Epidemiology, Cardiovascular Diseases Prevention and Health Promotion, National Institute of Cardiology, Warsaw, Poland
2 Department of Epidemiology, Cardiovascular Diseases Prevention and Health Promotion, National Institute of Cardiology, Warsaw, Poland. apiwonska@ikard.pl
3 Department of Preventive Medicine and Education, Medical University of Gdansk, Gdańsk, Poland
4 Department of Social and Preventive Medicine, Medical University of Lodz, Łódź, Poland