1. Ophthalmology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
2. King Saud University Medical City, King Saud University, Riyadh, Saudi Arabia
3. Vitreoretinal Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
4. Pathology and Laboratory Medicine Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
5. Pathology and Laboratory Medicine Department, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
6. Oculoplastics Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
7. Ophthalmology Department, School of Medicine of Ribeirão-Preto, University of São Paulo, São Paulo, Brazil