1. Division of Neuroradiology, Department of Radiodiagnosis and Imaging, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
2. Division of Neuro and Vascular Intervention, Department of Neurology, Christian Medical College, Ludhiana, Punjab, India
3. Department of Interventional Neuroradiology, Paras Hospital, Panchkula, Haryana, India