1 Department of General and Oncological Surgery, Pomeranian Medical University in Szczecin, Szczecin, Poland.
2 Department of Endocrinology Metabolic Diseases and Internal Medicine, Pomeranian Medical University in Szczecin, Poland, Szczecin, Poland.
3 Department of Vascular Surgery, Royal Victoria Hospital in Belfast, United Kingdom.
4 Department of Endocrinology Metabolic Diseases and Internal Medicine, Pomeranian Medical University in Szczecin, Poland, Szczecin, Poland. klinendo@pum.edu.pl.