1. Dept. of Pharmacology, Pondicherry Institute of Medical Sciences, Kalapet, Pondicherry 605014, India.
2. Betsi Cadwaldr University Health Board, Wrexham LL13 7TD, United Kingdom.
3. Dept. of Psychiatry, Pondicherry Institute of Medical Sciences, Kalapet, Pondicherry 605014, India.