[1] Univ Teaching Hosp Bialystok, Dept Gen & Endocrine Surg, M Sklodowskiej Curie St 24A, PL-15276 Bialystok, Poland
[2] Univ Clin Hosp Bialystok, Clin Res Ctr, Bialystok, Poland
[3] Univ Teaching Hosp Bialystok, Dept Anaesthesiol & Intens Therapy, Bialystok, Poland
[4] Univ Teaching Hosp Bialystok, Clin Emergency Med, Bialystok, Poland