Figure 3
![Figure 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12936-015-0640-4/MediaObjects/12936_2015_640_Fig3_HTML.gif)
Reported causes of damage for campaign nets with holes for which any mechanisms was reported (multiple responses possible).
Reported causes of damage for campaign nets with holes for which any mechanisms was reported (multiple responses possible).