1. School of Public Health, Centre of Postgraduate Medical Education, Warsaw, Poland
2. Department of Prevention of Environmental Hazards and Allergology, Medical University of Warsaw, Warsaw, Poland
3. Department of Pathology and Rehabilitation of Speech, Medical University in Lublin, Lublin, Poland
4. Institute of Statistics and Demography, Warsaw School of Economics, Warsaw, Poland
5. College of Public Health, Zielona Góra, Poland
6. Center for Public Health and Health Promotion, Institute of Rural Health in Lublin, Lublin, Poland
7. Department for Woman Health, Institute of Rural Health in Lublin, Lublin, Poland