Funding for this research was provided by:
National Institute on Aging (R01AG042595, AG03949, R01AG039409)
Text and Data Mining valid from 2018-02-21
Received: 19 November 2017
Accepted: 14 February 2018
First Online: 21 February 2018
Compliance with ethical standards
: The authors Ambika Mathur, Jennifer E. Graham-Engeland, Danica C. Slavish, Joshua M. Smyth, Richard B. Lipton, Mindy J. Katz, and Martin J. Sliwinski declare that they have no conflict of interest.
: 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. Informed consent was obtained from all individual participants included in the study.