1. Department of Biomedical Imaging, University of Malaya, Kuala Lumpur, Malaysia
2. Department of Biomedical Imaging, University of Malaya Research Imaging Centre, University of Malaya, Kuala Lumpur, Malaysia
3. Department of Biomedical Science, University of Malaya, Kuala Lumpur, Malaysia
4. Department of Radiodiagnosis and Imaging, Tata Memorial Hospital, Mumbai, India
5. Department of Computer System and Technology, University of Malaya, Kuala Lumpur, Malaysia