1. Collegium Medicum, Jan Kochanowski University of Kielce, 25-369 Kielce, Poland
2. Department of Nephrology, Specjalistyczny Szpital Powiatowy w Stalowej Woli, 37-450 Stalowa Wola, Poland
3. Department of General, Oncological and Endocrinological Surgery, Collegium Medicum, Jan Kochanowski University of Kielce, 25-369 Kielce, Poland
4. Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, 20-059 Lublin, Poland