1. Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
2. Department of Public Health, Medical University of Warsaw, Warsaw, Poland
3. Department of Analysis and Strategy, Ministry of Health, Warsaw, Poland
4. Department of Anesthesiology and Intensive Therapy, Independent Public Clinical Hospital No. 4 in Lublin, Lublin, Poland
5. Institute of Statistics and Demography, Collegium of Economic Analyses, SGH Warsaw School of Economics, Warsaw, Poland
6. Department of Pediatric Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia in Katowice, Katowice, Poland
7. Department of Medical Statistics, School of Public Health, Center of Postgraduate Medical Education, Warsaw, Poland