1. Department of Rheumatology and Rehabilitation, Faculty of Medicine, Minia University, Minia, Egypt;
2. Department of Ophthalmology, Faculty of Medicine, Minia University, Minia, Egypt;
3. Department of Clinical Pathology, Faculty of Medicine, Minia University, Minia, Egypt;
4. Department of Pathology, Faculty of Medicine, Minia University, Minia, Egypt