1. Institute of Biological and Environment Science; University of Aberdeen; Cruickshank Building St. Machar Drive Aberdeen AB24 3UU UK
2. Forest Research; Alice Holt Lodge; Farnham Surrey UK
3. Department of Forest Pathology; Poznan University of Life Sciences; Poznan Poland
4. Faculty of Forest Biology; Suleyman Demirel University; Isparta Turkey
5. Institute of Forest Ecology; Slovak Academy of Sciences; Nitra Slovakia
6. Department of Forest Engineering; Çankırı Karatekin University; Çankırı Turkey
7. Laboratory of Soil Biology; University of Neuchatel; Rue Emile Argand 11 CH-2009 Neuchatel Switzerland
8. NextBiotech; Agareb Tunisia