Updates are available Correction dated 2017-02-20
Click to view Correction: https://doi.org/10.1186/s12960-017-0193-4
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Authors
Liu, Jenny X.
Goryakin, Yevgeniy
Maeda, Akiko
Bruckner, Tim
Scheffler, Richard
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Funding
Funding for this research was provided by:
World Bank Group (P152250)
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Article History
Received: 23 November 2016
Accepted: 25 January 2017
First Online: 3 February 2017
