Petkus, Andrew J.
Gatz, Margaret
Reynolds, Chandra A.
Kremen, William S.
Wetherell, Julie Loebach
Funding for this research was provided by:
National Institute on Aging (1F31AG042218-01, R01 AG04563, R01 AG10175)
John D. and Catherine T. MacArthur Foundation
Swedish Council for Working Life and Social Research (97:0147:1B, 2009-0795)
Swedish Research Council Formas (825-2007-7460, 825-2009-6141)
Article History
Received: 13 May 2015
Accepted: 22 November 2015
First Online: 12 December 2015
Compliance with Ethical Standards
:
: The authors have no conflict of interest.
: Participants provided written informed consent to participate in the study. This study was approved by the Institutional Review Board at the Karolinksa Institutet and the University of Southern California. All participants were treated in accordance with the Declaration of Helsinki.