1. Department of Medical Microbiology and Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
2. Department of Obstetrics and Gynecology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
3. School of Biosciences, Faculty of Health & Medical Sciences, Taylor's University, Subang Jaya, Malaysia.
4. Center of Biotechnology Researches, University of Al-Nahrain, Baghdad, Iraq.
5. Tropical Infectious Diseases Research and Educational Center (TIDREC), University of Malaya, Kuala Lumpur, Malaysia.