1. Department of Neuroimaging, Interventional Neuroradiology, Kathmandu, Nepal
2. Department of Neurology, Upendra Devkota Memorial National Institute of Neurological and Allied Sciences, Kathmandu, Nepal,
3. Department of Anaethesiology, Tribhuvan University Teaching Hospital, Kathmandu, Nepal,
4. Department of Neurology, All India Institute of Medical Sciences, New Delhi, India,
5. Department of Radiodiagnosis, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India,