Funding for this research was provided by:
National Institute on Aging (1RO1AG047230)
Received: 5 March 2020
Accepted: 24 September 2020
First Online: 3 December 2020
Ethics approval and consent to participate
: The study was approved by the Kaiser Permanente Northern California Institutional Review Board and the requirement for informed consent was waived due to the nature of the study.
: Not applicable.
: The authors declare that they have no conflicts of interest to disclose.