1. AlbaNova
University Centre, Stockholm University, Roslagstullsbacken 21, 106 91 Stockholm, Sweden
2. National Research
Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A 0R6, Canada
3. Institut
für BioMolekulare Optik, Ludwig-Maximilians-Universität, Oettingen Str. 67, 80538 München, Germany
4. Department
of Chemical Engineering, Stanford University, Stanford, California 94305, United States
5. Department
of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 København, Denmark
6. Institute
of Physical Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber Weg 2, 76131 Karlsruhe, Germany
7. Department
of Chemistry, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada