1. Allen Foster Community Eye Health Research Centre, Gullapalli Pratibha Rao International Centre for Advancement of Rural Eye Care, L V Prasad Eye Institute, Hyderabad, India
2. Brien Holden Institute of Optometry and Vision Science, L V Prasad Eye Institute, Hyderabad, India
3. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, India
4. School of Optometry and Vision Science, University of New South Wales, Sydney, Australia