Funding for this research was provided by:
National Institutes of Health (AG04563, AG10175, AG028555)
Received: 13 May 2019
Accepted: 25 November 2019
First Online: 9 December 2019
Ethics approval and consent to participate
: All participants in SATSA have provided written informed consents. This study was approved by the ethics committee at Karolinska Institutet with Dnr 2015/1729-31/5.
: The authors declare that they have no competing interests.