1. Dept. of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India.
2. Dept. of Psychiatry, J.N. Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, India.
3. Dept. of Psychiatry, Government Medical College, Kozhikode, Kerala, India.