1. Institute of Chemical Physics, University of Latvia, Raina blvd. 19, Riga, Latvia, LV-1586
2. 3D Strong Ltd, Instituta Str. 36-17, Ulbroka, Latvia, LV-2130
3. Faculty of Chemistry, University of Latvia, Raina blvd. 19, Riga, Latvia, LV-1586
4. Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411, Tartu, Estonia