Funding for this research was provided by:
National Heart, Lung, and Blood Institute (R01-HL118261)
National Institute of Biomedical Imaging and Bioengineering (P41-EB022544)
Received: 20 July 2017
Accepted: 4 December 2017
First Online: 1 February 2018
Ethics approval and consent to participate
: The human study was approved by the Institutional Review Board at the Massachusetts General Hospital. The subject was given a written informed consent prior to the study.
: All authors read the manuscript and consented for its publication.
: The authors declare that they have no competing interests.
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