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Publisher's Note: Error in Funding

Posted by PLOS_ONE_Group on 05 Feb 2013 at 17:25 GMT

There was an error in the Funding. The correct statement is: This research was funded by DFG (http://www.dfg.de/index.j...) grants SCHA 1515/1-1, 1-2 within the ECRP II Programme of the European Science Foundation and SCHA 1515/5-1. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

No competing interests declared.