1 Department of Anaesthesia, Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS) and Dr. Ram Manohar Lohia Hospital, New Delhi, India.
2 Department of Cardiac Anesthesiology, Sri Jayadeva Institute of Cardiovascular Sciences and Research, Bengaluru, Karnataka, India.
3 Department of Anesthesia and Intensive Care, Jaber Al Ahmad Al Sabah Hospital, Kuwait-Arabian Gulf, Kuwait. Electronic address: varunsureshpgi@gmail.com.