1. Department of Ophthalmology, Imam Khomeini Eye Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
2. Department of Surgery, Imam Reza Hospital, Ardabil University of Medical Sciences, Ardabil, Iran
3. Department of Ophthalmology, Nikookari Eye Center, Tabriz University of Medical Sciences, Tabriz, Iran
4. Department of Biology, Corcordia University, Montreal, Canada