1. International Centre for Eye Health, London School of Hygiene and Tropical Medicine, London, United Kingdom.
2. Ad Astra Eye, Lawrence, Kansas, USA.
3. Department of Ophthalmology, University of Cape Town, Cape Town, South Africa.
4. Dhangadhi Netralaya Hospital, Dhangadhi, Nepal.
5. Nepal Eastern Regional Eye Care Programme (EREC-P), Biratnagar, Nepal.
6. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.