1. Department of Biomedical Science, Faculty of Medicine and Health Science, University Putra Malaysia, Selangor, Malaysia
2. Centre for Diagnostic Nuclear Imaging, University Putra Malaysia, Selangor, Malaysia
3. Department of Medicine, Faculty of Medicine and Health Science, University Putra Malaysia, Selangor, Malaysia
4. Department of Cardiology, Hospital Serdang, Selangor, Malaysia