1. Department
of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States
2. Department
of Mechanical and Industrial Engineering, Northeastern University, Boston, Massachusetts 02115, United States
3. Biosciences
Center, National Renewable Energy Laboratory, 15013 Denver West Parkway, Golden, Colorado 80401, United States
4. Forest
Products Laboratory, USDA Forest Service, Madison, Wisconsin 53726, United States
5. Division
of Wood Chemistry and Pulp Technology, Department of Fiber and Polymer
Technology, Royal Institute of Technology, KTH, Stockholm, Sweden