Funding for this research was provided by:
NIA/NIH (U01 AG016976)
Text and Data Mining valid from 2019-12-01
Received: 24 September 2019
Accepted: 7 November 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: Cross-sectional data from the NACC UDS and NP data set were used. All participants provided written informed consent at each ADC.
: Not applicable.
: The authors declare that they have no competing interests.