1. Chair and Department of Histology and Embryology with Experimental Cytology Unit, Medical University in Lublin, Poland;
2. Department of Financial Accounting, Cracow University of Economics, Poland;
3. Chair and Department of Medical Chemistry, Medical University in Lublin, Poland;
4. Spital Uster, Zurich, Schweitzerland
5. Chair and Department of Pharmacology and Pharmacodynamics, Medical University in Lublin, Poland;