There is information missing from the funding section. The complete funding information is:
"This work was partially supported by a research studentship from the Biotechnology and Biological Sciences Research Council(BB/E527604/1) and a PhD studentship from the German Academic Exchange Service (D/07/44562) to VW, a Leverhulme Trust project grant (F/09 757/B) to MAB, a Philip Leverhulme Award and a Biotechnology and Biological Sciences Research Council grant (BB/H005854/1) to AM. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript."
Footnotes
Competing Interests: No competing interests declared.
