Affiliation: | 1. Department of Surgery, University of Otago, Christchurch, New Zealand;2. Department of Surgery, Dunedin Hospital, Dunedin, New Zealand;3. Department of Surgical Sciences, Dunedin School of Medicine, University of Otago, Dunedin, New Zealand;4. Department of Vascular Endovascular and Transplant Surgery, Christchurch Hospital, Christchurch, New Zealand |