Funding for this research was provided by:
Foundation for the National Institutes of Health (U01HL69015, U01HL69013, and U01HL69010)
Received: 17 February 2020
Accepted: 27 April 2020
First Online: 28 May 2020
Ethics approval and consent to participate
: It is approved by each hospital’s IRB. Informed consent to participate in the study were obtained from participants.
: All authors read and approved the final manuscript.
: Paul Grayburn: Consultant for Tendyne and Abbott Vascular; Grant support from Abbot Vascular and Medtronic; Echo core lab contract for ValTech Cardio, Guided Delivery Systems, and Tendyne David Prior; Consultant for Actelion, Astra-Zeneca and Servier. There are no other relationships with industry to disclose.