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1 Department of Surgery, Mater Misericordiae University Hospital, 47 Eccles Street, Dublin 7, and University College Dublin, Dublin, Ireland. ronan.cahill@ucd.ie.
2 Department of Colorectal Surgery, Oxford University Hospitals, Oxford, UK.
1 Department of Surgery, Mater Misericordiae University Hospital, 47 Eccles Street, Dublin 7, and University College Dublin, Dublin, Ireland. ronan.cahill@ucd.ie.
2 Department of Colorectal Surgery, Oxford University Hospitals, Oxford, UK.