1 Department of Neurointervention Surgery, Medanta Institute of Neurosciences, Medanta - The Medicity, Sector 38, Gurgaon, Haryana, India.
2 Department of Neuroanaesthesiology and Critical Care, Medanta Institute of Neurosciences, Medanta - The Medicity, Sector 38, Gurgaon, Haryana, India.