Received: 3 July 2020
Accepted: 6 January 2021
First Online: 1 March 2021
Ethics approval and consent to participate
: This study was approved by the University of Texas Southwestern Medical Center Ethics and Institutional Review Board (IRB Number STU-032016009). Consent was obtained to participate in the study.
: Not applicable.
: The author(s) declare that they have no competing interests.