1. Tartu Observatory University of Tartu, Faculty of Science & Technology Tõravere Estonia
2. Excellence Cluster for Simulation Technology University of Stuttgart Stuttgart Germany
3. Thünen‐Institut of Forest Ecosystems Eberswalde Germany
4. University of Bayreuth Bayreuth Germany
5. Department of Forest and Soil Sciences, Institute of Silviculture University of Natural Resources and Life Sciences Vienna Austria
6. European Commission Joint Research Centre (JRC) Ispra Italy