1. Department of Organic Chemistry, Stockholm University, Arrhenius Laboratories, Stockholm 106 91, Sweden
2. CESQA (Quality and Environmental Research Centre), Department of Civil, Architectural and Environmental Engineering, University of Padova, Via Marzolo 9, Padova 35131, Italy
3. Department of Materials and Environmental Chemistry, Stockholm University, Stockholm 106 91, Sweden
4. The Forestry Research Institute of Sweden (Skogforsk), Uppsala 751 83, Sweden
5. Department of Petroleum Technology and Alternative Fuels, University of Chemistry and Technology Prague, Technicka ′ 5, Prague 166 28, Czech Republic
6. Department of Engineering and Chemical Sciences, Karlstad University, Karlstad 651 88, Sweden