1. Department of Hypertensiology, Angiology and Internal Diseases, Medical University, Poznań, Poland
2. Department of General and Vascular Surgery, Medical University, Poznań, Poland
3. Department of General and Vascular Surgery, Medical University of Silesia, Katowice, Poland
4. Department of General and Vascular Surgery, Medical University , Poznań, Poland
5. Department of Cancer Prevention, Medical University of Silesia, Katowice, Poland