1. Division of Synchrotron Radiation Research and NanoLund, Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
2. Electrical and Information Technology, Department of Engineering, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden
3. MAX IV Laboratory, Lund University, 22100 Lund, Sweden
4. DTU CEN, DTU, Fysikvej 2800, Lyngby, Denmark