1 JEC Eye Hospitals & Clinics, Jakarta, Indonesia.
2 Department of Ophthalmology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada - Sardjito Eye Center, Dr. Sardjito General Hospital, Yogyakarta, Indonesia.
3 Department of Physiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia.