1. Department of Physiology, Pondicherry Institute of Medical Sciences, Ganapathichetikulam, Puducherry, India
2. Department of Neurology, Pondicherry Institute of Medical Sciences, Ganapathichetikulam, Puducherry, India
3. Department of Social and Preventive Medicine, Jawaharlal Nehru Institute of Post Graduation and Research, Puducherry, India
4. Department of Community Medicine, Pondicherry Institute of Medical Sciences, Ganapathichetikulam, Puducherry, India