1. Istituto Protezione Piante, Consiglio Nazionale Ricerche, Via Madonna del Piano 10, I-50019 Sesto Fiorentino, Firenze, Italy
2. USDA Forest Service, 4955 Canyon Crest Drive, Riverside, CA 92507, USA
3. USEPA National Health and Environmental Effects Research Lab., Western Ecology Division, 200 SW 35th St., Corvallis, OR 97333, USA
4. Forest Monitoring Laboratory, Lithuanian University of Agriculture, Kaunas 4324, Lithuania
5. Linnæambiente Ricerca Applicata Srl, Via G. Sirtori 37, I-50137 Firenze, Italy
6. Swiss Federal Institute for Forest, Snow and Landscape Research, Zürcherstrasse 111, CH-8903 Birmensdorf, Switzerland
7. Department of Forest Resources Management, Faculty of Forestry, The University of British Columbia, 2nd Floor, Forest Sciences Centre #2045-2424 Main Mall, Vancouver BC V6T 1Z4, Canada
8. Environmental and Resource Sciences, Fleischmann Agriculture, MS 370, University of Nevada, Reno, NV 89557, USA
9. School of Forest Resources and Environmental Science, Michigan Technological University, 101 U.J. Noblet Forestry Building, 1400 Townsend Drive, Houghton, MI 49931-1295, USA
10. Royal Forest Department, Silvicultural Research Division, 61 Phahlythin Road, Bangkok 10900, Thailand
11. Technische Universität München, Department of Ecology/Ecophysiology of Plants, Am Hochanger 13, D-85354 Freising, Germany
12. USDA Forest Service, Southern Global Change Program, Venture Center II, Suite 300, Raleigh, NC 27606, USA
13. Technische Universität München, Fachgebiet Forstgenetik, Am Hochanger 13, D-85354 Freising, Germany
14. USDA Forest Service, 240 West Prospect Road, Fort Collins, CO 80526, USA
15. Natural Resources Canada, Canadian Forest Service, 1350 Regent Street, Fredericton NB E3B 5P7, Canada