About the Authors

Marcel G. A. van der Heijden

marcel.vanderheijden@agroscope.admin.ch (MGAvdH); martin.hartmann@wsl.ch (MH)

Affiliations Plant-Soil-Interactions, Agroscope Institute for Sustainability Sciences, Zurich, Switzerland, Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland, Plant-Microbe Interactions, Institute of Environmental Biology, Faculty of Science, Utrecht University, Utrecht, The Netherlands

Martin Hartmann

marcel.vanderheijden@agroscope.admin.ch (MGAvdH); martin.hartmann@wsl.ch (MH)

Affiliation Forest Soils and Biogeochemistry, Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland

Competing Interests

The authors have declared that no competing interests exist.