1. Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, Szczecin, Poland
2. Department of Maxillofacial Surgery, Pomeranian Medical University, Szczecin, Poland
3. Department of Medical Chemistry, Pomeranian Medical University, Szczecin, Poland
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5. Department of Cardiology, Pomeranian Medical University, Szczecin, Poland
6. Department of General Surgery and Transplantology, Pomeranian Medical University, Szczecin, Poland