Institut Max von Laue - Paul Langevin, 71 Avenue des Martyrs, Grenoble 38000, France. tforsyth@ill.eu.
Partnership for Structural Biology, 71 Avenue des Martyrs, Grenoble 38000, France.
Institute for Nanostructure and Solid State Physics, Hamburg Centre for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, Hamburg, 22761, Germany. arwen.pearson@cfel.de.