1. Pirogov Russian National Research Medical University, Moscow, Russia; Department of ophthalmology of Federal Scientific-Clinical Center of Otorhinolarygology of Federal Medico-Biological agency, Moscow, Russia
2. Department of ophthalmology of Federal Scientific-Clinical Center of Otorhinolarygology of Federal Medico-Biological agency, Moscow, Russia
3. Pirogov Russian National Research Medical University, Moscow, Russia