1. University of Vienna, Faculty of Physics and Center for Computational Materials Science, Kolingasse 14-16, A-1090 Vienna, Austria
2. University of Vienna, Faculty of Physics & Vienna Doctoral School in Physics, Boltzmanngasse 5, A-1090 Vienna, Austria
3. VASP Software GmbH, Berggasse 21/14, 1090 Vienna, Austria
4. VASP Software GmbH, Sensengasse 8, 1090 Vienna, Austria