[1] Dr Ramesh Cardiac & Multispecial Hosp Pvt Ltd, Dept Cardiothorac & Vasc Surg, Vijayawada 520008, Andhra Pradesh, India
[2] Dr Ramesh Cardiac & Multispecial Hosp Pvt Ltd, Dept Cardiol, Vijayawada 520008, Andhra Pradesh, India
[3] Dr Ramesh Cardiac & Multispecial Hosp Pvt Ltd, Dept Anaesthesiol, Vijayawada 520008, Andhra Pradesh, India
[4] Dr Ramesh Cardiac & Multispecial Hosp Pvt Ltd, Dept Clin Res, Vijayawada 520008, Andhra Pradesh, India