1 Birmingham Complex Aortic Team, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK.
2 Liverpool Vascular & Endovascular Service, Liverpool, UK; School of Physical Sciences, University of Liverpool, UK; Liverpool Cardiovascular Service, Liverpool, UK.
3 Department of Vascular & Endovascular Surgery, The Royal Oldham Hospital, Pennine Acute Hospitals NHS Trust, Manchester, UK; Division of Cardiovascular Sciences, School of Medical Sciences, University of Manchester, Manchester, United Kingdom. Electronic address: antoniou.ga@hotmail.com.