1. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, USA
2. Department of Physics, University of California at Berkeley, Berkeley, California, USA
3. Magnetic Spectroscopy Group, Diamond Light Source, Didcot, UK
4. Department of Physics, Clarendon Laboratory, University of Oxford, Oxford, UK
5. Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, Barcelona, Spain
6. Korea Research Institute of Standards and Science, Yuseong, Daejeon, Republic of Korea
7. International Center for Quantum Materials, School of Physics, Peking University, Beijing, China
8. Department of Physics and Astronomy, University of Exeter, Exeter, Devon, UK
9. Cornell High Energy Synchrotron Source, Cornell University, Ithaca, New York, USA