Funding for this research was provided by:
Harvard Medical School Global Health Research Core (NA)
Harvard Medical School Global Health Equity Research Fellowship, funded by Jonathan M. Goldstein and Kaia Miller Goldstein (NA)
Text and Data Mining valid from 2019-02-11
Received: 6 August 2018
Accepted: 1 February 2019
First Online: 11 February 2019
Ethics approval and consent to participate
: We have conducted analysis for a publicly available data, no ethics was required.
: Not applicable.
: ZEK is a member of the editorial board of BMC Public Health (associate editor). The remaining authors declare that they have no competing interests.
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