[1] Harvard Univ, Harvard Humanitarian Initiat, Cambridge, MA 02138 USA
[2] Woodrow Wilson Int Ctr Scholars, Washington, DC 20560 USA
[3] Harvard Med Sch, Brigham & Womens Hosp, Dept Emergency Med, Harvard Humanitarian Initiat, Boston, MA 02115 USA
[4] Karolinska Inst, Dept Publ Hlth Sci, Gen Surg Ctr Res Hlth Disasters Hlth Syst & Polic, Stockholm, Sweden
[5] Univ Manchester, Humanitarian & Conflict Response Inst, Manchester, Lancs, England