Affiliation: | 1. Department of General Surgery, Regional Specialist Hospital in Wroclaw, Wroclaw, Poland;2. Research and Development Centre, Regional Specialist Hospital in Wroclaw, Wroclaw, Poland;3. Department of Microbiological Laboratory, Research and Development Centre, Regional Specialist Hospital in Wroclaw, Wroclaw, Poland;4. Departament of Surgery, Lvivs'kyj Nacional'nyj Medychnyj Universytet Imeni Danyla Halyc'koho, Lviv, Ukraine |