1. Department of Microbiology, College of Medicine, University of Dammam, PO Box 2208, AlKhobar, Kingdom of Saudi Arabia
2. Department of Medicine, College of Medicine, University of Dammam, PO Box 2208, AlKhobar, Kingdom of Saudi Arabia
3. Department of Clinical Laboratory Science, College of Applied Medical Science, University of Dammam, PO Box 2208, AlKhobar, Kingdom of Saudi Arabia
4. Department of Pathology and Laboratory Medicine, King Fahad Specialist Hospital, PO Box 15215, Dammam, Kingdom of Saudi Arabia