Received: 12 December 2019
Accepted: 25 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: The 45 and Up Study was approved by the University of NSW Human Ethics Committee. Participants in the 45 and Up Study provided written informed consent. Reciprocal ethics approval was obtained from the Western Sydney University Human Research Ethics Committee [H10930].
: Not applicable.
: The authors declare that they have no competing interests.