1. Department of Cardiac Anaesthesia, Atal Bihari Vajpayee Institute of Medical Sciences (ABVIMS) and Dr. Ram Manohar Lohia (RML) Hospital, Baba Kharak Singh Marg, New Delhi, India
2. Department of Cardiac Anaesthesia, Dr. Ram Manohar Lohia (RML) Hospital, Baba Kharak Singh Marg, New Delhi, India