1. High
Field Magnet Laboratory (HFML - EMFL), Radboud University, Toernooiveld
7, NL-6525 ED Nijmegen, The Netherlands
2. Institute
for Molecules and Materials, Department of Molecular Materials, Radboud University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
3. Division
of Molecular Imaging and Photonics, Department of Chemistry, Katholieke Universiteit Leuven, Celestijnenlaan 200 F, B-3001 Heverlee, Belgium
4. Department
of Chemical Engineering, Katholieke Universiteit Leuven, de Croylaan 46, B-3001 Heverlee, Belgium
5. Department
of Materials - Hönggerberg, ETH Zürich, Wolfgang-Pauli-Strasse 10, CH-8093 Zürich, Switzerland
6. Nano-Science
Center/Department of Chemistry, University of Copenhagen, Universitetsparken
5, 2100 Copenhagen, Denmark