1 S. Fyodorov Eye Microsurgery Federal Institution, Moscow, Russia.
2 Department of Ophthalmology, A.I. Yevdokimov Moscow State University of Medicine and Dentistry, Moscow, Russia.
3 Department of Ophthalmology, Soroka University Medical Center and Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel.