1. Department of Ophthalmology, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Puducherry, India.
2. Department of Ophthalmology, Indira Gandhi Government General Hospital and Post Graduate Institute (IGGGH&PGI), Puducherry, India.
3. Department of Neurology, and Indira Gandhi Government General Hospital and Post Graduate Institute (IGGGH&PGI), Puducherry, India.
4. Department of Internal Medicine, Indira Gandhi Government General Hospital and Post Graduate Institute (IGGGH&PGI), Puducherry, India.
5. Department of Biostatistics, Jawaharlal Institute of Post-Graduate Medical Education and Research (JIPMER), Puducherry, India.
6. Department of Cardiology, Indira Gandhi Government General Hospital and Post Graduate Institute (IGGGH&PGI), Puducherry, India.