1. Jhaveri Microbiology Centre, Brien Holden Eye Research Centre, L. V. Prasad Eye Institute, Hyderabad, India
2. Department of Ophthalmology, Visual and Anatomical Sciences, Wayne State University, Detroit, Michigan, USA
3. Smt. Kannuri Santhamma Centre for Vitreoretinal Diseases, L V Prasad Eye Institute, Hyderabad, India
4. Centre for Clinical Epidemiology and Biostatistics, L. V. Prasad Eye Institute, Hyderabad, India