1. Laboratory for Ultrafast Microscopy and Electron Scattering and the Lausanne Centre for Ultrafast Science, IPHYS, Station 6, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
2. Laboratory of Ultrafast Spectroscopy and the Lausanne Centre for Ultrafast Science, ISIC, Station 6, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland