1. Department of Ophthalmology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
2. Alexandria Governorate Coordinator for Tuberculosis Elimination Program, Head of Chest Diseases Department, Alexandria Health Directorate, Alexandria, Egypt
3. Department of Ophthalmology, Damanhour Educational Hospital, Damanhour, Egypt
4. Department of Vitreoretinal Diseases, Magrabi Eye Hospital, Tanta, Egypt
5. Department of Ophthalmology, Faculty of Medicine, Cairo University, Cairo, Egypt
6. Department of Ophthalmology, Faculty of Medicine, Sohag University, Sohag, Egypt
7. Department of Ophthalmology, Faculty of Medicine, Ain Shams University, Cairo, Egypt