1. Department of Medical Statistics, School of Public Health, Center of Postgraduate Medical Education, Kleczewska str 61/63, 01-826 Warsaw, Poland
2. Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Kasztanowa str 3, 41-200 Sosnowiec, Poland
3. Zentiva, Bonifraterska str 17, 00-203 Warszawa, Poland
4. Department of Women’s Health, Institute of Rural Health, Jaczewskiego str 2, 20-090, Lublin, Poland