Funding for this research was provided by:
National Heart, Lung, and Blood Institute (1R01HL129008)
Received: 31 March 2020
Accepted: 6 July 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: The study was approved by the University of California Institutional Review Board (Protocol 2011–8030). All affected and unaffected study family members gave their informed written consent before they participated in the study. All procedures were conducted in accordance with the ethical standards of the institution and with the Declaration of Helsinki,
: Not applicable since no identifiable information is included in this publication.
: The authors declare that they have no competing interests.