1 Department of Anaesthesiology and Critical Care, Institute of Post Graduate Medical Education & Research, Kolkata, West Bengal, India. Electronic address: docposhu@gmail.com.
2 Department of Anaesthesiology, Pain Medicine, and Critical Care, R. G. Kar Medical College, Kolkata, West Bengal, India. Electronic address: dipasribhattacharya123@gmail.com.
3 Intensive Care Unit, Hospital Morales, Meseguer, Murcia, Spain. Electronic address: antmesquinas@gmail.com.
4 Department of Anaesthesiology and Critical Care, Institute of Post Graduate Medical Education and Research, S.S.K.M. Hospital, Kolkata, West Bengal, India. Electronic address: drmcmandal@gmail.com.