1. Department of Neurology, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
2. Department of Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
3. Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
4. Department of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India
5. Department of Neurology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
6. Department of Neurology, Vardhman Mahavir Medical College & Safdarjung Hospital, New Delhi, India
7. Department of Neurology, All India Institute of Medical Sciences, New Delhi, India
8. University College of Medical Sciences and Guru Teg Bahadur Hospital, New Delhi, India
9. Department of Psychiatry, All India Institute of Medical Sciences, Bibinagar, Telangana, India
10. Department of Neurology, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India
11. Department of Neurology, Bangur Institute of Neurosciences, Institute of Postgraduate Medical Education & Research and Seth Sukhlal Karnani Memorial Hospital, Kolkata, West Bengal, India
12. Department of Biostatistics, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India