1. Max Planck Institute for Chemical Physics of Solids Nöthnitzer Str. 40 01187 Dresden Germany
2. Donostian International Physics Center Paseo Manuel de Lardizabal 4 20018 San Sebastian Spain
3. KERBASQUE Basque Foundation for Science Maria Diaz de Haro 3 48013 Bilbao Spain
4. Department of Physics Princeton University Princeton NJ 08544 USA
5. Paul Scherrer Institute 5232 Villigen PSI Switzerland
6. Center for Computational Quantum Physics The Flatiron Institute New York NY 10010 USA
7. Leibniz Institut für Festkörper und Werkstoffforschung IFW Dresden Helmholtzstrasse 20 01171 Dresden Germany
8. Institute of Solid State Physics Dresden University of Technology Zellescher Weg 16 01062 Dresden Germany
9. Condensed Matter Physics Department Faculty of Science and Technology University of the Basque Country UPV/EHU Apdo. 644 48080 Bilbao Spain
10. Max Planck Institute of Microstructure Physics 06120 Halle Germany