1. Ghent University, Department of Solid State Sciences, Electron Magnetic Resonance
Research Group, Krijgslaan 281-S1, B-9000 Ghent, Belgium
2. Ghent University, Center for Molecular Modeling, Technologiepark 903, B-9052 Zwijnaarde,
Belgium
3. Vilnius University, Institute of Applied Research, Sauletekio
av. 9-III, LT-10222 Vilnius,
Lithuania