Funding for this research was provided by:
National Heart, Lung, and Blood Institute (U01 HL089897, Number U01 HL089856, R01 HL137995, R01 HL129937, P50HL084948, R21HL129917, U01 HL137880, U24 HL141762, HHSN268200900013C, HHSN268200900014C, HHSN268200900015C, HHSN268200900016C, HHSN268200900017C, HHSN268200900018C, HHSN268200900019C, HHSN268200900020C)
Received: 18 December 2020
Accepted: 16 March 2021
First Online: 27 April 2021
: All participants signed an informed consent. All studies were approved by ethics and review boards (Institutional Review Boards) at all participating centers.
: Not applicable.
: The authors declare that they have no competing interests.