1. Medical and Diagnostic Center, 08-110 Siedlce, Poland
2. Department of Social Medicine and Public Health, Medical University of Warsaw, 02-007 Warsaw, Poland
3. Department of Family Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
4. Department of Public Health, Medical University of Warsaw, 00-097 Warsaw, Poland
5. Institute of Public Health, Faculty of Health Science, Jagiellonian University Medical College, 30-688 Krakow, Poland