1. Interdisciplinary Nanoscience Center (iNANO) and Danish National Research Foundation: Centre for DNA Nanotechnology (CDNA), Aarhus University, 8000 Aarhus C, Denmark
2. Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
3. Center of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487 Iasi, Romania
4. Service de Chimie Quantique et Photophysique, Université Libre de Bruxelles, 1050 Brussels, Belgium
5. Department of Chemistry, Aarhus University, 8000 Aarhus C, Denmark
6. Department of Physics and Astronomy, Aarhus University, 8000 Aarhus C, Denmark