1 Department of Abdominal and General Surgery and Oncology, National Cancer Institute, Vilnius, Lithuania.
2 Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, Vilnius, Lithuania.
3 Department of Surgery, University of Connecticut School of Medicine and Hartford Hospital, Hartford, Connecticut, USA.
4 Department of Colorectal Surgery, National Cancer Centre, National Clinical Research Centre for Cancer/Cancer Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
5 Department of Colorectal Surgery, Allegheny General Hospital, Pittsburgh, Pennsylvania, USA.
6 Department of Colorectal Surgery, King's College Hospital Foundation NHS Trust, London, UK.
7 Department of Surgery, Klaipeda University Hospital, Klaipeda, Lithuania.
8 Health Research and Innovation Science Centre Faculty of Health Sciences, Klaipeda University, Klaipeda, Lithuania.