[1] Univ Gottingen, Inst Rontgenphys, Gottingen, Germany
[2] European Xray Free Electron Laser Facil XFEL, Single Particles Clusters & Biomol & Serial Femto, Hamburg, Germany
[3] European XFEL, Hamburg, Germany
[4] Max Planck Inst Biophys Chem, Inst Neurobiol, Gottingen, Germany