1. Division of Cyclotron and Radiopharmaceutical Sciences, Institute of Nuclear Medicine and Allied Sciences, DRDO, Delhi- 110054, India
2. Department of Neuroimaging and Interventional Radiology, National Institute of Mental Health & Neurosciences, Bangalore-560029, India
3. All India Institute of Medical Sciences, Rishikesh-249203, India
4. Division of Psychiatric Neuroimaging, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine 600 N. Wolfe Street, Phipps 300, Baltimore, Maryland 21287, United States
5. All India Institute of Medical Sciences, Delhi-110029, India
6. Department of Nuclear Medicine, Postgraduate Institute of Medical Education and Research, Chandigarh-160012, India