Updates are available Correction dated 2017-10-16
Click to view Correction: https://doi.org/10.1186/s40488-017-0078-z
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Authors
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Funding
Funding for this research was provided by:
U.S. Census Bureau (#YA1323-14-SE-0122)
Simons Foundation (#359536)
National Science Foundation (#1700235)
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Article History
Received: 23 December 2016
Accepted: 11 September 2017
First Online: 26 September 2017
Change Date: 16 October 2017
Change Type: Correction
Change Details: A correction to this article has been published.
Competing interests
: The authors declare no competing interests.
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