1. Department of Biochemical pharmacology, Frontier Lifeline Hospital & Dr. K.M.Cherian's Heart Foundation, Mogappair, Chennai, Tamilnadu, India
2. Department of Cardiology, Frontier Lifeline Hospital & Dr. K.M.Cherian Heart Foundation, Mogappair, Chennai, Tamilnadu, India
3. Medical officer, S. B. J Health Centre private limited, Sivakasi, Tamilnadu, India