1. Vitreoretinal Services, Anant Bajaj Retina Institute, Mithu Tulsi Chanrai Campus, LV Prasad Eye Institute, Bhubaneswar, Odisha, India
2. Vitreoretinal Services, Anant Bajaj Retina Institute, Hyderabad, Telangana, India
3. Department of Biostatistics, Kallam Anji Reddy Campus, LV Prasad Eye Institute, Hyderabad, Telangana, India
4. Department of Community Medicine, District Medical College Hospital, Keonjhar, Odisha, India