1 Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, India.
2 Corresponding author: Kamaldeep Sadh, MD, Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, 560029, India (kamaldeepsadh@gmail.com).
3 Department of Neurology, National Institute of Mental Health and Neurosciences, Bangalore, India.