1. Department of Internal Medicine, King Fahd Hospital of the University, University of Dammam, Al-Khobar, Kingdom of Saudi Arabia
2. Institute for Research & Medical Consultation, University of Dammam, Dammam, Kingdom of Saudi Arabia
3. Department of Pathology, King Fahd Hospital of the University, University of Dammam, Al-Khobar, Kingdom of Saudi Arabia
4. Department of Microbiology, University of Dammam, Dammam, Kingdom of Saudi Arabia