Funding for this research was provided by:
National Heart, Lung, and Blood Institute (U10HL084904, U10HL110337)
Received: 2 October 2020
Accepted: 3 February 2021
First Online: 17 February 2021
: This is a sub-study utilizing data and blood samples collected as part of the primary study. No additional data or blood collection was performed as part of this study. This sub-study was approved by Institutional Review Boards of Brigham and Women’s Hospital and Duke University Medical Center. Informed consent was obtained from participants as part of the main study EXACT-HF.
: The authors declare no competing interests.