1. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemigården 4, SE-41296 Gothenburg, Sweden
2. Energy Engineering, Division of Energy Science, Luleå University of Technology, SE-97187 Luleå, Sweden
3. Department of Space, Earth and Environment, Chalmers University of Technology, Hörsalsvägen 7B, SE-41293, Gothenburg, Sweden
4. Bioenergy2020+ GmbH, Wiener Straße 49, A-7540 Güssing, Austria