1 Department of Anaesthesia, Critical Care and Pain, Tata Memorial Hospital, Parel, Mumbai, Maharashtra, India.
2 Department of Neuroanaesthesia and Neurocritical Care, National Institute of Mental Health and Neurosciences (NIMHANS), Hosur Road, Bengaluru, Karnataka, India.
3 Department of Critical Care, Kasturba Medical College (KMC), Manipal Academy of Higher Education, Manipal, Karnataka, India.
4 Department of Anaesthesiology, Karnataka Institute of Medical Sciences (KIMS), Hubli, Karnataka, India.