1. Dept. of Psychiatry, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India.
2. Dept. of Psychiatry, Shri Guru Ram Rai Institute of Medical and Health Sciences, Dehradun, Uttarakhand, India.
3. Dept. of Psychiatry, Era's Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India.