1. Biosciences Division, Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, Tennessee 37831-6309, United States
2. Department of Chemical and Biomedical Engineering, University of Maine, Orono, Maine 04469-5737, United States
3. Renewable Resources and Enabling Sciences Center, National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, United States
4. Alliance for Pulp and Paper Technology Innovation (APPTI), 1101 K Street NW, Suite 700, Washington, DC 20005, United States