1 Associate Professor, Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences Guwahati, Guwahati, Assam, India.
2 Assistant Professor, Department of General Surgery, All India Institute of Medical Sciences Guwahati, Guwahati, Assam, India.
3 Assistant Professor, Department of Anaesthesiology, Critical Care, and Pain Medicine, All India Institute of Medical Sciences Guwahati, Guwahati, Assam, India.
4 Professor and Head, Department of Cardiothoracic and Vascular Surgery, All India Institute of Medical Sciences Guwahati, Guwahati, Assam, India.