1. Division of Chemical Physics and NanoLund, Lund University, P.O. Box 124, 22100 Lund, Sweden
2. ELI Beamlines, Institute of Physics, Czech Academy of Sciences, v.v.i., Za Radnicí 835, 252 41 Dolní Břežany, Czech Republic
3. Regional Center for Special Optics and Optoelectronic Systems (TOPTEC), Institute of Plasma Physics of the Czech Academy of Sciences, 270 00 Prague 8, Czech Republic
4. Department of Chemistry, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark