1. Department of General Surgery, School of Medical Sciences, Universiti Sains Malaysia Hospital, Malaysia
2. Department of Pathology, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150 Kelantan, Malaysia
3. School of Medical Sciences, Hospital Universiti Sains Malaysia HUSM, Universiti Sains Malaysia USM, Kubang Kerian, 16150 Kelantan, Malaysia
4. Department of Medical Microbiology and Parasitology, School of Medical Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150 Kelantan, Malaysia