1. Department
of Physics, Chalmers University of Technology, SE-412 96 Gothenburg, Sweden
2. Krefting
Research Centre, Department of Internal Medicine and Clinical Nutrition, University of Gothenburg, SE-405 30 Gothenburg, Sweden
3. Institut Curie,
Centre de Recherche, CNRS, UMR 168, Physico-Chimie Curie, F-75248 Paris, France
4. Boreskov
Institute of Catalysis, Russian Academy of Sciences, 630090 Novosibirsk, Russia