1. Garo Meghrigian Institute for Preventive Ophthalmology, Turpanjian College of Health Sciences, American University of Armenia, Yerevan, Armenia
2. Faculty of Medicine, State University of Medicine and Pharmacy “Nicolae Testemiteanu”, Chişinău, Republic of Moldova
3. Health Information Services, Grootebroek, The Netherlands
4. Turpanjian College of Health Sciences, American University of Armenia, Yerevan, Armenia