Dr. Muhamed T. Osman; PhD, presently, is Associate Professor of Pathology in Faculty of Medicine and Defence Health, National Defence University of Malaysia. He was Consultant Pathologist and Clinical Lecturer at Teaching Laboratories of Medical City in Baghdad, Iraq and Senior Lecturer of Pathology at UiTM Malaysia. He is the author of six books and has published more than 60 papers in peer reviewed journals. Dr. Sabiha Pit; FRCPath, presently is Professor of Medical Microbiology in Faculty of Medicine and Defence Health, National Defence University of Malaysia. She has held the post of Profe...