1. Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, Kuching, Sarawak, Malaysia.
2. Department of Radiology, Sibu Specialist Medical Centre, Sarawak, Malaysia.
3. Faculty of Medicine and Health Sciences. Universiti Sains Islam Malaysia, Kuala Lumpur, Malaysia.
4. Department of Surgery, School of Medical Sciences, Universiti Sains Malaysia Health Campus, Kelantan, Malaysia.