1. Department of Cardiology, Independent Public Provincial Specialist Hospital in Chełm, 22-100 Chełm, Poland
2. Department of Pharmaceutical Botany, Medical University of Lublin, 20-093 Lublin, Poland
3. Chair and Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, 20-093 Lublin, Poland
4. Student Scientific Association at the 2nd Department of Obstetrics and Gynecology, Medical University of Warsaw, Karowa 2, 00-315 Warsaw, Poland