1 MBBS, MRCP (UK), Department of Medicine, Faculty of Medicine and Health Sciences, University Putra Malaysia, Malaysia. Email: drhakimah@upm.edu.my.
2 MBBS, MRCP (UK), Medical Department, Faculty of Medicine and Health Sciences Universiti Putra Malaysia Malaysia.
3 MB BCh BAO (Ire) DrPath (Mal), Medical Microbiology and Parasitology Department, Faculty of Medicine and Health Sciences Universiti Putra Malaysia Malaysia.
4 MD, MMed (UKM), Medical Department, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Malaysia.
5 MBBS, Medical Department, Hospital Serdang, Malaysia.