1. Department of Chemistry, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
2. Department of Chemical Physics and NanoLund, Lund University, Box 124, 22100 Lund, Sweden
3. Ångstrom Laboratory, Department of Chemistry, Uppsala University, Box 523, 75120 Uppsala, Sweden
4. Department of Chemistry, Qena Faculty of Science, South Valley University, 83523 Qena, Egypt
5. Synchrotron SOLEIL, L’Orme des Mérisiers, Saint Aubin-BP
48, 91192 Gif sur Yvette Cedex, France
6. ELI-ALPS, ELI-HU Non-Profit Ltd., Dugonicster 13, Szeged 6720, Hungary
7. Attoscience Group, Deutsche Elektronen Synchrotron (DESY), Notkestrasse 85, D-22607 Hamburg, Germany