1. Department of Radiology, Universiti Kebangsaan Malaysia Medical Center, Jalan Yaacob Latif, 56100 Kuala Lumpur, Malaysia
2. Department of Radiology, Hospital Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia
3. Department of Paediatrics, Universiti Kebangsaan Malaysia Medical Center, Jalan Yaacob Latif, 56100 Kuala Lumpur, Malaysia