Johnson, Heather M.
Article History
First Online: 18 July 2019
Compliance with Ethical Standards
:
: The author declares no conflicts of interest relevant to this manuscript. Dr. Johnson reports grants from NIH/NHLBI, outside the submitted work.
: All reported studies/experiments with human or animal subjects performed by the author have been previously published and complied with all applicable ethical standards (including the Helsinki declaration and its amendments, institutional/national research committee standards, and international/national/institutional guidelines).