1. Materials Research Division, Risø-DTU, Technical University of Denmark, Roskilde, Denmark
2. Laboratory for Neutron Scattering, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
3. Swiss Light Source, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
4. Laboratory for Synchrotron and Neutron Spectroscopy, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
5. General Energy Research Department, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
6. Nano-Science Center, University of Copenhagen, Copenhagen, Denmark
7. European Spallation Source, St. Algatan 4, 22350 Lund, Sweden
8. Laboratory for Quantum Magnetism, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Lausanne, Switzerland
9. London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, London, U.K.
10. Forschungsneutronenquelle Heinz-Maier-Leibnitz (FRM-II), Technische Universität München, Garching, Germany
11. Institut Laue-Langevin, Grenoble, France
12. Institute for Quantum Electronics, ETH Zürich, 8093 Zürich, Switzerland
13. Université Lyon 1, CNRS, UMR 5586, Lab PMCN, F-69622 Villeurbanne, France
14. Department of Physics, Hokkaido University, Sapporo, Japan
15. Department of Materials Science and Engineering, Muroran Institute of Technology, Muroran, Hokkaido, Japan