1. The Discipline of Medical Radiation Sciences, Faculty of Health Sciences, The University of Sydney, NSW 2006 Australia
2. Department of Radiology and Medical Imaging, Faculty of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
3. Institute of Medical Physics, Faculty of Science, The University of Sydney, NSW, Australia
4. School of Health Sciences, University of Salford Manchester, UK