1. Pacific Northwest National Laboratory, Richland, Washington 99352, United States
2. Thünen Institute of Wood Research, 21031 Hamburg, Germany
3. VTT Technical Research Center of Finland, 02044 Espoo, Finland
4. BTG Biomass Technology Group BV, 7545 PN Enschede, Netherlands
5. Aston University, Birmingham B4 7ET, United Kingdom
6. SP Energy Technology Center, 941 38 Piteå, Sweden