1. Ecosystem Ecology Forest Dynamics Swiss Federal Institute for Forest, Snow and Landscape Research WSL Birmensdorf Switzerland
2. Institute of Plant Sciences University of Bern Bern Switzerland
3. Centre for Development and the Environment University of Bern Bern Switzerland
4. Organismal and Evolutionary Biology Research Programme Faculty of Biological and Environmental Sciences University of Helsinki Helsinki Finland
5. Institute of Terrestrial Ecosystems ETH Zurich Zurich Switzerland
6. Department of Ecology and Genetics University of Oulu Oulu Finland
7. Ecology Research Laboratory PERL School of Architecture Civil and Environmental Engineering EPFL Lausanne Switzerland
8. Functional Plant Ecology Community Ecology Unit Swiss Federal Institute for Forest, Snow, and Landscape Research WSL Lausanne Switzerland