1. Khuzaima Tariq:
Department of Adult Cardiac Surgery,National Institute of Cardiovascular Diseases (NICVD), Karachi , Pakistan
2. Taimur Asif Ali:
Department of Adult Cardiac Surgery,National Institute of Cardiovascular Diseases (NICVD), Karachi , Pakistan
3. Parveen Akhtar:
Department of Adult Cardiac Surgery,National Institute of Cardiovascular Diseases (NICVD), Karachi , Pakistan
4. Arif ur Rehman:
Department of Adult Cardiac Surgery,National Institute of Cardiovascular Diseases (NICVD), Karachi , Pakistan