1. Department of Anaesthesiology and Critical Care, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
2. Junior Resident, Department of Anaesthesiology and Critical Care, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.
3. Department of Anaesthesiology and Intensive Care, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
4. Department of Anaesthesiology and Critical Care, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India.