1. Discipline of Medical Imaging, Department of Imaging and Applied Physics, Curtin University, P.O. Box U1987, Perth, WA 6845, Australia
2. Department of Molecular Imaging and Nuclear Medicine, Universiti Kebangsaan Malaysia Medical Centre (UKMMC), Jalan Yaakob Latif, Cheras, 56000 Kuala Lumpur, Malaysia
3. Department of Cardiology, National Heart Institute, 50300 Kuala Lumpur, Malaysia