1. National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, Tallinn 12618, Estonia
2. Latvian State Institute of Wood Chemistry, Dzerbenes street 27, Riga 1006, Latvia
3. Department of Materials and Environmental Technology, Tallinn University of Technology, Ehitajate tee 5, Tallinn 19086, Estonia
4. Institute of Physics, University of Tartu, W. Ostwaldi 1, Tartu 50411, Estonia
5. Department of Chemical Engineering, McMaster University, Hamilton, Ontario L8S 4L7, Canada
6. Center for Physical Sciences and Technology (FTMC), Sauletekio ave. 3, LT-10257 Vilnius, Lithuania
7. SINTEF Industry, Department of Sustainable Energy Technology, Sem Sælands vei 12, 7034 Trondheim, Norway
8. Institute of Chemistry, University of Tartu, Ravila 14a, 50411 Tartu, Estonia