[1] All India Inst Med Sci, Dept Neuroanaesthesiol & Crit Care, New Delhi, India
[2] Grant Med Fdn, Dept Neurotrauma Unit, Pune, Maharashtra, India
[3] All India Inst Med Sci, Dept Anesthesia & Intens Care, Bhubaneswar, Odisha, India
[4] Medanta Med, Dept Neuroanaesthesia & Neurocrit Care, Gurgaon, Haryana, India
[5] Amrita Hosp, Dept Neuroanaesthesia & Neurocrit Care, Faridabad, India
[6] Indraprastha Apollo Hosp, Dept Neuroanaesthesia, New Delhi, India