1 Department of Clinical Psychopharmacology and Neurotoxicology, National Institute of Mental Health and Neurosciences (NIMHANS), Bengaluru 560029, Karnataka, India.
2 Dept of Psychiatry, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry 605006, Pondicherry, India. Electronic address: drvmenon@gmail.com.