1. Department of Medical Microbiology and Parasitology; Faculty of Medicine and Health Sciences; Universiti Putra Malaysia; Selangor Malaysia
2. Bacteriology Unit; Institute for Medical Research; Kuala Lumpur Malaysia
3. Department of Community Medicine; School of Medical Sciences; Universiti Sains Malaysia; Kelantan Malaysia
4. Health Promotion Unit; Penang State Health Department; Penang Malaysia
5. Health Department of Federal Territory Kuala Lumpur & Putrajaya; Kuala Lumpur Malaysia
6. Department of Biomedical Sciences; Faculty of Medicine and Health Sciences; Universiti Putra Malaysia; Selangor Malaysia