1. Michael Smith Laboratories, University of British Columbia, Vancouver, British Columbia V6T1Z4, Canada
2. Norwegian Institute for Bioeconomy Research, NO-1430 As, Norway
3. Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T1Z1, Canada
4. Max Planck Institute for Chemical Ecology, D-07745 Jena, Germany
5. Department of Wood and Forest Sciences, Université Laval, Quebec City, Quebec G1V0A6, Canada
6. Department of Plant Sciences, University of Oxford, Oxford OX1 3RB, United Kingdom
7. Department of Forest Sciences, University of British Columbia, Vancouver, British Columbia V6T1Z4, Canada
8. Department of Botany, University of British Columbia, Vancouver, British Columbia V6T1Z4, Canada