1. Swiss Light
Source, Paul Scherrer Institut, CH-5232
Villigen PSI, Switzerland
2. Department of Chemistry, University of Copenhagen, DK-2100 Copenhagen,
Denmark
3. Institute of Condensed
Matter
Physics, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
4. Max Planck Institute for Bioinorganic Chemistry, D-45470 Mülheim an der
Ruhr, Germany