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Article History

Received: 10 August 2017

Accepted: 12 January 2018

First Online: 19 February 2018

Authors’ information

: The authors are affiliated with the Harvard Humanitarian Initiative (HHI), an interfaculty initiative with the mission to advance the science and practice of humanitarian response worldwide through research and education. Based at the Harvard T.H. Chan School of Public Health, HHI serves as the humanitarian arm of Harvard University and brings an interdisciplinary approach to building the evidence base of humanitarian studies and professionalizing the field of humanitarian aid.

: Not applicable

: Not applicable

: The authors declare that they have no competing interests.

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