1. Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al Qura University, Makkah, Saudi Arabia.
2. Clinical Laboratory Diagnosis, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt.
3. Microbiology Department, Maternity and Children hospital, Makkah, Saudi Arabia.
4. Department of Pathology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia.