1. Département des sciences du bois et de la forêt, Université Laval, Quebec City, Québec, Canada
2. Laurentian Forestry Centre, Natural Resources Canada, Quebec City, Québec, Canada
3. Pacific Forestry Centre, Victoria, British Columbia, Canada
4. Plant Health Science Directorate, Canadian Food Inspection Agency, Ottawa, Ontario, Canada
5. Invasive Species Centre, Ontario, Canada
6. Centre for Forest Research (CFR, CEF), Université Laval, Quebec City, Québec, Canada
7. Department of Forest and Conservation Sciences, University of British Columbia, Vancouver, British Columbia, Canada
8. United States Department of Agriculture, Forest Service, Northern Research Station, Hamden, CT
9. Great Lakes Forestry Centre, Natural Resources Canada, Government of Canada, Ontario, Canada
10. Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing, China
11. Otis Laboratory, Center for Plant Health, Science and Technology, Animal and Plant Health Inspection Service, Department of Agriculture, Buzzards Bay, MA