1. Geobotany Faculty of Biology University of Freiburg Freiburg Germany
2. Chair of Ecophysiology and Vegetation Ecology University of Würzburg Julius‐von‐Sachs‐Institute of Biological Sciences Würzburg Germany
3. Department of Renewable Resources University of Alberta Edmonton Alberta Canada
4. Chair of Silviculture University of Freiburg Freiburg Germany
5. Forest Dynamics Swiss Federal Institute for Forest, Snow and Landscape Research Birmensdorf Switzerland
6. ETH Zurich Institute of Terrestrial Ecosystems Zurich Switzerland
7. Department of Forest and Wildlife Ecology University of Wisconsin‐Madison Madison Wisconsin USA
8. Center for Forest Research Université du Québec à Montréal Montréal Quebec Canada
9. University of Quebec in Outaouais (UQO) Institut des Sciences de la Forêt Tempérée (ISFORT) Gatineau Quebec Canada