1. Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2. Biochemistry Department, Faculty of Medicine, UQU, Mecca, KSA
3. Neuropsychiatry Department, Faculty of Medicine, Menoufia University, Menoufia, Egypt
4. Clinical Pathology Departments, Faculty of Medicine, Menoufia University, Menoufia, Egypt
5. Medical Biochemistry Unit, Department of Pathology, College of Medicine, Qassim University, Buraydah, KSA