1. Department of Mechanical Engineering; University College London; Torrington Place London WC1E 7JE UK
2. Xiros Ltd.; Springfield House, White House Lane Leeds LS19 7UE UK
3. Leeds Vascular Institute; Leeds General Infirmary; Great George Street Leeds LS1 3EX UK
4. Division of Surgery; University of Warwick & University Hospitals Coventry and Warwickshire NHS Trust; Clifford Bridge Rd Coventry CV2 2DX UK