1. Georgia Institute of Technology, Institute of Paper Science and Technology, 500 10th Street, Atlanta, GA 30332, USA
2. Forest Biotechnology, North Carolina State University, 2500 Partners II, 840 Main Campus Drive, Centennial Campus, Raleigh, NC 27606, USA
3. Centre de Recherche en Biologie Forestière, Pavillon C. E. Marchand, Université Laval, Quebec G1K 7P4, Canada
4. School of Forest Resources and Conservation, University of Florida, Gainesville, FL 32611‐0411, USA