1. Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University of Technology, Perth, Western Australia, Australia.
2. Department of Vascular Surgery, Royal Perth Hospital, School of Medicine and Pathology, University of Western Australia, Western Australia, Australia.
3. Cook R & D, Perth, Western Australia, Australia.
4. School of Public Health, Curtin University of Technology, Perth, Western Australia, Australia.