1. Faculty of Science & Technology Tartu Observatory University of Tartu Tartu Estonia
2. Department of Forest Growth, Silviculture and Genetics/Unit of provenance research and breeding Austrian Research Centre for Forests Vienna Austria
3. Department of Forest Growth, Silviculture and Genetics Austrian Research Centre for Forests Vienna Austria
4. Institute of Wood Science and Technology University of Natural Resources and Life Sciences (BOKU) Tulln Austria
5. Center for Health & Bioresources AIT Austrian Institute of Technology GmbH Tulln Austria