1. Biological
Systems Engineering, Washington State University, Pullman, Washington 99164, United States
2. Thermo-Chemical
Conversion of Biomass Group, Faculty of Science and Technology, University of Twente, Postbus 217, 7500AE Enschede, The Netherlands
3. Fuels
and Energy Technology Institute, Curtin University of Technology, GPO Box U1987, Western Australia, 6845, Australia
4. Department
of Forest, Rangeland and Fire Sciences, University of Idaho, Moscow, Idaho 83844, United States