1. Atomically Resolved Dynamics Division, Max Planck Institute for the Structure and Dynamics of Matter, Building 99 (CFEL), Luruper Chaussee 149, 22761 Hamburg, Germany
2. The Hamburg Center for Ultrafast Imaging, University of Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
3. Department of Chemistry and Biochemistry, University of Regina, 3737 Wascana Parkway, Regina, Saskatchewan S4S 0A2, Canada
4. Departments of Chemistry and Physics, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada