Funding for this research was provided by:
National Heart, Lung, and Blood Institute (HL133997, HL134042, HL133994, HL133990)
National Heart, Lung, and Blood Institute (HL133996)
Received: 18 December 2019
Accepted: 29 June 2020
First Online: 7 July 2020
Ethics approval and consent to participate
: Local institutional review board approval for this project was obtained at each participating site and the data coordinating center.
: Participants in the NHLBI registry study give written consent for publication of data in aggregate form.
: The authors declare no competing financial interests.