1. Biosystems and Agricultural Engineering, University of Kentucky, 115 C.E. Barnhart
Building, Lexington, Kentucky 40546, United States
2. Joint Institute of Biological Science, Center for BioEnergy Innovation, Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
3. Department of Horticulture, Virginia Tech, Blacksburg, Virginia 24061, United States
4. Center for Applied Energy Research, University of Kentucky, Lexington, Kentucky 40511, United States
5. Department of Chemistry, University of Kentucky, Lexington, Kentucky 40506, United States
6. Department of Chemical & Biomolecular Engineering, Center for Renewable Carbon, and Department of Forestry, Wildlife, and Fisheries, University of Tennessee, Knoxville, Tennessee 37996, United States