Ebola response missions: To go or not to go? Cross-sectional study on the motivation of European public health experts, December 2014 Rexroth, U and Diercke, M and Peron, E and Winter, C and an der Heiden, M and Gilsdorf, A, Eurosurveillance, 20, 21070 (2015), https://doi.org/10.2807/1560-7917.ES2015.20.12.21070