1. School
of Chemical Technology, Department of Forest Products Technology, Aalto University, Vuorimiehentie 1, Espoo, FI-00076 Aalto, Finland
2. College
of Natural Resources, Department of Forest Biomaterials, North Carolina State University, 1022F Biltmore Hall, Raleigh, North Carolina 27695-8005, United States
3. Department
of Chemical and Biological Engineering, University of Maine, 5737 Jenness Hall, Orono, Maine 04469-5737, United States