1. Department of Cardiothoracic Surgery, Apollo Hospitals, Bangalore, India
2. Department of Cardiothoracic Surgery, Sri Jayadeva Institute of Cardiovascular Sciences and Research, Bangalore, India
3. Department of Community Medicine and Statistics, Karakonam Medical College, Trivandrum, India
4. Department of Perfusion, Sri Jayadeva Institute of Cardiovascular Sciences and Research, Bangalore, India