1. Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-581 83 Linköping, Sweden
2. Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
3. Physics Department and IRIS Adlershof, Humboldt-Universität zu Berlin, Zum Großen Windkanal 6, 12489 Berlin, Germany
4. Department of Physics, Boston College, Chestnut Hill, Massachusetts 02467, United States
5. Department of Applied Physics and Materials Science, California Institute of Technology, Pasadena, California 91125, United States
6. Department of Materials Science and Engineering, Kyoto University, Sakyo, Kyoto 606-8501, Japan
7. European Theoretical
Spectroscopy Facility (ETSF)