1. Institut für Physik; Humboldt Universität zu Berlin; Zum grossen Windkanal 6 12489 Berlin Germany
2. Institute for Biocomputation and Physics of Complex Systems BIFI; Universidad de Zaragoza C/ Mariano Esquillor; 50018 Zaragoza Spain
3. Instituto de Química Física Rocasolano (CSIC); C/ Serrano 119 28006 Madrid Spain
4. Department of Computer Architecture and Technology; University of the Basque Country UPV/EHU; M. Lardizabal, 1 20018 Donostia/San Sebastián Spain
5. Nano-Bio Spectroscopy Group and European Theoretical Spectroscopy Facility; Spanish node; University of the Basque Country UPV/EHU; Edif. Joxe Mari Korta, Av. Tolosa 72 20018 Donostia/San Sebastián Spain
6. Center for Computational Physics; University of Coimbra; Rua Larga 3004-516 Coimbra Portugal
7. Department of Chemistry and Chemical Biology; Harvard University; 12 Oxford Street Cambridge Massachusetts 02138
8. Department of Mathematics; Technische Universität Chemnitz; 09107 Chemnitz Germany
9. Centro de Física de Materiales, CSIC-UPV/EHU-MPC and DIPC; 20018 Donostia/San Sebastián Spain