Affiliation: | aProfessor, Department of Cardio-thoracic Surgery, G B Pant Hospital, New Delhi 110002, India;bEx-Assistant Professor, Department of Cardiology, G B Pant Hospital, New Delhi 110002, India;cSenior Resident, Department of Cardio-thoracic Surgery, G B Pant Hospital, New Delhi 110002, India;dSenior Resident, Department of Cardiology, G B Pant Hospital, New Delhi 110002, India |