1. Vitreoretinal Division, King Khaled Eye Specialist Hospital, Riyadh, Kingdom of Saudi Arabia
2. King Abdulaziz Medical City, Riyadh, Kingdom of Saudi Arabia
3. Ophthalmology Department, Royal Alexandra Hospital, Paisley, UK
4. Ophthalmology Department, Menoufia University, Shebin El-Kom, Egypt
5. Ohud Hospital, Madinah, Kingdom of Saudi Arabia
6. King Faisal Hospital, Riyadh, Kingdom of Saudi Arabia
7. Department of Ophthalmology, Clinical Sciences, Skane County University Hospital, Lund University, Lund, Sweden