1. From the Queensland Research Centre for Peripheral Arterial Disease (D.R.N., J.R.S., J.V.M., A.T., J.G.), James Cook University, Townsville, QLD, Australia
2. College of Medicine and Dentistry, The Australian Institute of Tropical Health and Medicine (D.R.N., J.R.S., J.V.M., A.T., J.G.), James Cook University, Townsville, QLD, Australia
3. Discipline of Anatomy (A.T.), James Cook University, Townsville, QLD, Australia
4. Department of Vascular and Endovascular Surgery, The Townsville Hospital, QLD, Australia (J.G.).