1. ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Castelldefels (Barcelona), Spain
2. Departamento de Química, Universidad Autónoma de Madrid, Madrid, Spain
3. Department of Chemistry, University of California at Berkeley, Berkeley, California, USA
4. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
5. Institut für Physik and IRIS Adlershof, Humboldt-Universität zu Berlin, Berlin, Germany
6. ALBA Synchrotron Light Source, Cerdanyola del Vallès, Barcelona, Spain
7. Instituto de Ciencia Molecular (ICMol), Universitat de València, Paterna, Spain
8. 4th Physical Institute - Solids and Nanostructures, University of Göttingen, Göttingen, Germany.
9. Center for Computational Sciences, University of Tsukuba, Tsukuba, Japan
10. Institute of Experimental Physics, Graz University of Technology, Graz, Austria
11. Fritz Haber Institute of the Max Planck Society, Berlin, Germany
12. ICREA, Pg. Lluís Companys 23, Barcelona, Spain