Funding for this research was provided by:
National Institute on Aging (R24 AG045061, 2 P30 AG017265)
Article History
Received: 6 October 2017
Accepted: 8 March 2018
First Online: 22 March 2018
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This article does not contain any results where the authors were in contact with human or animal participants.
: This study is based on existing public data. Informed consent was obtained by the original collector of the data.