1. Canada Research Chair in Forest Genomics; Forest Research Centre and Institute for Systems and Integrative Biology; Université Laval; Québec QC G1V 0A6 Canada
2. Natural Resources Canada; Canadian Forest Service; Laurentian Forestry Centre; 1055 du P.E.P.S., P.O. Box 10380, Stn. Sainte-Foy Québec QC G1V 4C7 Canada
3. Genome Sciences Centre; British Columbia Cancer Agency; Vancouver BC V5Z 4S6 Canada
4. Michael Smith Laboratories; University of British Columbia; Vancouver BC V6T 1Z4 Canada
5. Department of Plant Sciences; University of Oxford; South Parks Road Oxford 0X1 3RB UK