1. Institute of Biological and Environmental Sciences; Plant and Soil Science; University of Aberdeen; Cruickshank Building St. Machar Drive Aberdeen AB24 3UU UK
2. Sustainable Forest Management Research Institute; University of Valladolid-INIA; Palencia Spain
3. Departamento de Produccion Vegetal y Recursos Forestales; University of Valladolid; Palencia Spain
4. Centre for Ecology and Hydrology; Bush Estate; Penicuik Midlothian UK
5. Bio-Protection Research Centre; Institute of Fundamental Sciences; Massey University; Palmerston North New Zealand
6. University of Northern British Columbia; Prince George BC Canada
7. Ingeniería Forestal y del Medio Natural; Universidad de Extremadura; Plasencia Spain
8. Forest Research; Farnham Surrey UK
9. Scion; Rotorua New Zealand
10. Department of Genetics; Forestry and Agriculture Biotechnology Institute (FABI); University of Pretoria; Pretoria South Africa
11. School of the Environment; Natural Resources and Geography; Bangor University; Bangor Gwynedd UK
12. CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado; Escola Superior de Biotecnologia; Universidade Católica Portuguesa/Porto, Rua Arquiteto Lobão Vital; Porto Portugal
13. Faculty of Forestry; Süleyman Demirel University; Isparta Turkey
14. Laboratory of Mycology; Nature Research Centre; Vilnius Lithuania