1. Department of Cardiothoracic and Vascular Surgery, Post-Graduation Institute of Medical Research and Education, Chandigarh, India
2. Department of Cardiothoracic Transplantation, Royal Brompton and Harefield NHS Trust, Harefield, Middlesex, UK
3. Department of Radiodiagnosis and Imaging, Post-Graduation Institute of Medical Research and Education, Chandigarh, India