1. Department of Hypertension and Diabetology Medical University of Gdansk GdanskPoland
2. Unit of Demography and Social Gerontology University of Lodz LodzPoland
3. Department of Epidemiology Cardiovascular Disease Prevention, and Health Promotion Institute of Cardiology WarsawPoland
4. Department of Social and Preventive Medicine Medical University of Lodz Lodz Poland
5. Epidemiology and Population Studies Department Institute of Public HealthJagiellonian University Medical College KrakowPoland
6. Department of Hypertension, Angiology, and Internal Medicine Poznan University of Medical Sciences PoznanPoland
7. Third Department of Cardiology Medical University of Silesia KatowicePoland