About the Authors

G. K. Ambler

Affiliations Division of Population Medicine, Cardiff University, 3rd Floor Neuadd Meirionnydd, Heath Park, Cardiff, United Kingdom, South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

A. L. Stimpson

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

B. G. Wardle

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

D. C. Bosanquet

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

U. K. Hanif

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

S. Germain

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

C. Chick

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

N. Goyal

Affiliation South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

C. P. Twine

christopher.twine@wales.nhs.uk

Affiliations Division of Population Medicine, Cardiff University, 3rd Floor Neuadd Meirionnydd, Heath Park, Cardiff, United Kingdom, South East Wales Vascular Network, Royal Gwent Hospital, Cardiff Road, Newport, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: AS DB CC NG CT GA. Data curation: GA CT BW. Formal analysis: GA CT. Investigation: CC NG CT BW UH SG. Methodology: GA AS CT. Project administration: CT. Software: GA. Supervision: CT. Validation: GA AS UH SG CT. Visualization: GA CT DB. Writing – original draft: AS DB CT. Writing – review & editing: GA AS DB UH SG CC NG CT.