1. Department of Internal Medicine, Faculty of Medicine, Jouf University, Sakaka, Saudi Arabia
2. Department of Endemic and Infectious Diseases, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
3. Department of Pathology, Faculty of Medicine, Jouf University, Skaka, Saudi Arabia
4. Department of Family and Community Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
5. Department of Microbiology and Immunology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt