1. Institut für Physik und Astronomie, Universität Potsdam, 14476 Potsdam, Germany
2. Department of Physics, Stockholm University, Albanova University Center, 10691 Stockholm, Sweden
3. Institute for Methods and Instrumentation for Synchrotron Radiation Research, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 12489 Berlin, Germany
4. DESY Photon Science, 22607 Hamburg, Germany
5. LCLS, SLAC, Menlo Park, California 94025, United States
6. PULSE Institute, SLAC, Menlo Park, California 94025, United States
7. Institute for X-ray Physics, Göttingen University, 37077 Göttingen, Germany
8. Department of Chemistry - Ȧngström Laboratory, Uppsala University, 75121 Uppsala, Sweden
9. Department of Biotechnology, Chemistry and Pharmacy, Università di Siena, 53100 Siena, Italy