1. Department of Medical Microbiology and Parasitology, Faculty of Medicine and Health Sciences, Universiti Putra, Malaysia
2. Department of Medical Microbiology and Parasitology, Faculty of Basic Medical Sciences, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
3. Department of Microbiology, Faculty of Medicine, Asia Metropolitan University, 81750 Johor Bahru, Malaysia
4. Department of Hepatology, Selayang Hospital, Lebuh Selayang-Kepong , Batu Caves, 68100 Selangor Darul Ehsan, Malaysia