Competing interests
The authors have no competing interests to declare.
Corresponding author:
Dr Ambuj Roy, MD, DM, FACC, FRCP
Professor,
Department of Cardiology,
Cardio Thoracic Sciences Centre, All India Institute of Medical
Sciences,
New Delhi (110029), India.
Ph no.: +91-9810992822
E-mail:
drambujroy@gmail.com