1. Department of Internal Medicine, Hospital Sultanah Nora Ismail, Jalan Korma, Taman Soga, 83000 Batu Pahat, Johor, Malaysia
2. Department of Radiology, Hospital Sultanah Nora Ismail, Jalan Korma, Taman Soga, 83000 Batu Pahat, Johor, Malaysia
3. Department of Internal Medicine, Hospital Lahad Datu, Peti Bersurat 60065, 91110 Lahad Datu, Sabah, Malaysia