1. Department of Neurology, Beni-Suef University , Beni-Suef, Egypt
2. Department of Anaesthesia, Surgical ICU and Pain management, Beni-Suef University , Beni-Suef, Egypt
3. Department of Rheumatology and Rehabilitation, Beni-Suef University , Beni-Suef, Egypt
4. Department of Clinical and Chemical pathology, Beni-Suef University , Beni-Suef, Egypt
5. Department of Internal medicine, Beni-Suef University , Beni-Suef, Egypt
6. Neuro diagnostic research center, Beni-Suef University , Beni-Suef, Egypt