1. Department of Radiodiagnosis, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India,
2. Department of Interventional Neuroradiology, Medanta The Medicity, Gurgaon, Haryana, India,
3. Department of Neurology, All India Institute of Medical Sciences, New Delhi, India,
4. Department of Trauma and Emergency, All India Institute of Medical Sciences, Bhubaneswar, Odisha, India,