Funding for this research was provided by:
National Institute on Aging (R01AG025524, 5 T32 NR009356-07)
National Center for Advancing Translational Sciences (TR001864)
Article History
Received: 15 April 2019
Accepted: 22 December 2019
First Online: 14 February 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The Institutional Review Boards that approved this study with the names of the institutions along with reference numbers can be found below (all are closed except University of Pennsylvania) UnorderedList removedThis article does not contain any studies with animals performed by any of the authors. Written informed consent/assent was obtained from all individual participants included in the study.
: This article does not contain any individual person data.
: ‘The authors declare that they have no competing interests.’