1. Department of Ecology and Evolutionary Biology University of Toronto Mississauga ON Canada
2. Forest Biodiversity Research Network Department of Forest Ecosystems and Society Oregon State University Corvallis OR USA
3. Biodiversity Section Department of Natural Resources and Energy Development Hampton NB Canada
4. Swiss Ornithological Institute Sempach Switzerland
5. Department of Botany and Plant Pathology Oregon State University Corvallis OR USA
6. Smithsonian Tropical Research Institute Panama City Panama