1. Department of Biomedical Sciences, Advanced Medical & Dental Institute, Universiti Sains Malaysia, 13200 Kepala Batas, Pulau Pinang, Malaysia
2. Department of Medical Laboratory Sciences, University of Health & Allied Sciences, PMB 31, Ho, Ghana
3. Department of Physiology, Xuzhou Medical University, Xuzhou, People's Republic of China
4. Discipline of Public Health Medicine, School of Nursing & Public Health, University of KwaZulu-Natal, Durban, 4001, South Africa
5. Cancer & Infectious Diseases Epidemiology Research Unit (CIDERU), College of Health Sciences, University of KwaZulu-Natal, Durban, 4001, South Africa