1. Lutte Biologique et Ecologie Spatiale; Université Libre de Bruxelles; Brussels Belgium
2. Evolutionary Ecology of Infectious Disease; Department of Zoology; University of Oxford; Oxford UK
3. Department of Ecology; Swedish University of Agricultural Sciences; Uppsala Sweden
4. V.N. Sukachev Institute of Forest; Siberian Branch of the Russian Academy of Sciences; Krasnoyarsk Russia
5. Evolutionary Biology and Ecology; Université Libre de Bruxelles; Brussels Belgium
6. The Norwegian Forest and Landscape Institute; Ås Norway
7. Institute of Forest Entomology, Forest Pathology and Forest Protection; University of Natural Resources and Life Sciences; Vienna Austria