1. Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India
2. Department of Nuclear Magnetic Resonance and MRI Facility, All India Institute of Medical Sciences, New Delhi, India
3. Department of Pharmacology, Army College of Medical Sciences, New Delhi, India
4. Department of Psychiatry, All India Institute of Medical Sciences, Jammu, India
5. Cardiothoracic and Neurosciences Centre, All India Institute of Medical Sciences, New Delhi, India