Funding for this research was provided by:
National Heart, Lung, and Blood Institute (T32HL105334)
Received: 29 April 2020
Accepted: 22 September 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: This study was approved by the Vanderbilt University Medical Center Institutional Review Board. Informed consent was waived because this was a retrospective study.
: Not applicable.
: The authors declare that they have no competing interests.