1. Center for Research and Consultation Studies; University of Dammam; Dammam Saudi Arabia
2. Department of Clinical Sciences; College of Applied Medical Sciences; King Saud University; Riyadh Saudi Arabia
3. Department of Microbiology; Faculty of Medicine; University of Dammam; Dammam Saudi Arabia
4. Prince Sultan Research Center; King Fahd Military Medical Complex; Dhahran Saudi Arabia
5. Dammam Regional Laboratory; Dammam Central Hospital; Dammam Saudi Arabia
6. Institute of Human Genetics; Hannover Medical School; Hannover Germany