1. Institute of Design Technology, Riga Technical University; Kipsalas 6 Riga LV-1048 Latvia
2. Laboratory of Biomass Eco-Efficient Conversion; Latvian State Institute of Wood Chemistry; Dzerbenes 27 Riga LV-1006 Latvia
3. Institute of Physics, University of Tartu; Ravila 14c Tartu 50411 Estonia
4. Biomaterials Research Laboratory; Riga Technical University; Paula Valdena 3/7 Riga LV-1048 Latvia
5. National Institute of Chemical Physics and Biophysics; Akadeemia Tee 23 Tallinn 12618 Estonia
6. Institute of Chemistry, University of Tartu; Ravila 14a Tartu 50411 Estonia
7. Institute of Silicate Materials, Riga Technical University; Azenes 14/24 Riga LV-1048 Latvia