1. Department of Biochemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia
2. Chair for Biomarkers of Chronic Diseases, Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
3. Chair for Biomarkers of Chronic Diseases, Department of Biochemistry, College of Science, King Saud University,
P.O. Box 2455, Riyadh 11451, Saudi Arabia
4. College of Medicine, King Saud University, P.O. Box 22452, Riyadh
11495, Saudi Arabia
5. Neurology Unit, Department of Medicine, College of Medicine, King Saud University, P.O. Box
22452, Riyadh 11495, Saudi Arabia