1. Wallenberg Wood Science Centre, Royal Institute of Technology, KTH Royal Institute of Technology, SE100 44 Stockholm, Sweden
2. Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, SE100 44 Stockholm, Sweden
3. Department of Chemical Engineering, KTH Royal Institute of Technology, SE100 44 Stockholm, Sweden
4. Department of Materials and Environmental Chemistry, Stockholm University, SE106 91 Stockholm, Sweden