1. CNRS, Univ. Bordeaux, Bordeaux INP, ICMCB, UMR 5026, F-33600 Pessac, France
2. Technical Univ. of Denmark, DTU Energy, 310, Fysikvej, DK-2800 Kgs. Lyngby, Denmark
3. Center for X-ray and Nano Science CXNS, Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
4. MAX IV Laboratory, Lund University, Box 118, 221 00 Lund, Sweden