- Correspondence to Dr Praveen Mehrotra, Division of Cardiology, Sidney Kimmel Medical College, Thomas Jefferson University, 925 Chestnut Street, Mezzanine Level, Philadelphia, PA 19107, USA;
- Received 6 October 2016
- Revised 20 July 2017
- Accepted 26 July 2017
- Published online 16 August 2017.
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