About the Authors
- Annette Kohnen, Iris Richter, Roland Brandl
- Department of Animal Ecology, Philipps-Universität Marburg, Marburg, Germany
A.K. received a scholarship of the FAZIT-Stiftung for one year during her PhD. The only interest of this founder is to help poor students without salary. The only condition of the scholarship was to finish the PhD-work. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.
Conceived and designed the experiments: AK RB. Performed the experiments: AK IR. Analyzed the data: AK. Wrote the paper: AK RB.