1. Department of Cornea and Refractive Services, Aravind Eye Hospital, Pondicherry, India
2. General Ophthalmology, Aravind Eye Hospital, Pondicherry, India
3. Department of Cornea and Refractive Services, Aravind Eye Hospital, Chennai, Tamil Nadu, India
4. Cataract and Cornea Services, Preethika Eye Care, Madurai, Tamil Nadu, India