1. Uppsala Biocentre Department of Forest Mycology and Plant Pathology Swedish University of Agricultural Sciences Uppsala Sweden
2. Uppsala Biocentre Department of Plant Biology Swedish University of Agricultural Sciences Uppsala Sweden
3. Department of Ecology and Genetics Evolutionary Biology Centre Science for Life Laboratory Uppsala University Uppsala Sweden
4. Forestry Research Institute of Sweden (Skogforsk) Ekebo Sweden
5. Umeå Plant Science Centre Department of Forest Genetics and Plant Physiology Swedish University of Agricultural Sciences Umeå Sweden