Funding for this research was provided by:
Patient-Centered Outcomes Research Institute (CER-130601150)
National Institutes of Health (UL1TR001881)
Received: 17 January 2019
Accepted: 10 July 2019
First Online: 24 July 2019
Ethics approval and consent to participate
: Study protocols were approved by the University of California, Los Angeles Institutional Review Board, IRB#14–001360. All participants provided signed consent.
: Not applicable. This manuscript includes no details, images, or videos relating to an individual person.
: The authors declare that they have no competing interests.