About the Authors

Gundula S. Kolb

gkolb@botan.su.se

Affiliation Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden

Cecilia Palmborg

Affiliation Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences, Umeå, Sweden

Peter A. Hambäck

Affiliation Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GK. Performed the experiments: GK. Analyzed the data: GK. Contributed reagents/materials/analysis tools: GK CP. Wrote the paper: GK CP PH.