1. Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia.
2. Department of Internal Medicine, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia.
3. State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.
4. Special Infectious Agents Unit, King Fahd Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia.