Funding for this research was provided by:
Patient-Centered Outcomes Research Institute (AD-1306-02172)
National Institutes of Health (UL1 RR025744, K24 HL086703)
Received: 4 June 2019
Accepted: 21 January 2020
First Online: 30 January 2020
Ethics approval and consent to participate
: The Institutional Review Boards of Stanford University approved the entire study protocol. All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.