About the Authors
Public Health Foundation of India, ISID Campus, Vasant Kunj, New Delhi, India
Department of Cardiology, Cardio Thoracic Centre, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India
The authors have declared no competing interests.
Wrote the first draft of the manuscript: KSR AR. Contributed to the writing of the manuscript: KSR AR. ICMJE criteria for authorship read and met: KSR AR. Agree with manuscript results and conclusions: KSR AR.