1. Université Claude Bernard Lyon 1, CNRS, INRA, Villeurbanne, France
2. Microbial Interactions in Plant Ecosystems, IMIT/ZMBP, Eberhard Karls University of Tübingen, Tübingen, Germany
3. Max Planck Research Group Fungal Biodiversity, Max Planck Institute for Plant Breeding Research, Cologne, Germany
4. Plant Microbiosis Group, Institute for Microbiology, Friedrich Schiller University Jena, Jena, Germany