[1] Apollo Hosp, Dept Neuroanaesthesia & Crit Care, Bangalore, Karnataka, India
[2] Khoula Hosp, Dept Anaesthesiol & Crit Care, Muscat, Oman
[3] Apollo Hosp, Dept Neurol, Bangalore, Karnataka, India
[4] Rajagiri Hosp, Dept Anaesthesia & Neurocrit Care, Kochi, Kerala, India
[5] Apollo Hosp, Dept Neuroanaesthesia & Crit Care, BG Rd, Bangalore 560029, Karnataka, India