1. Randall Centre for Cell and Molecular Biophysics, King's College London, London SE1 1UL, UK
2. Departamento de Química Física, University of Salamanca, Salamanca 37008, Spain
3. European Synchrotron Radiation Facility (ESRF), Partnership for Soft Condensed Matter (PSCM), 71 Avenue des Martyrs, Grenoble 38000, France
4. European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, 38043 Grenoble, France
5. Université Grenoble Alpes, CNRS, CEA, Interdisciplinary Research Institute of Grenoble (IRIG), Laboratoire Chimie et Biologie des Métaux (LCBM) UMR 5249, 17 Avenue des Martyrs, 38054 Grenoble, France
6. Department of Physics, University of Cagliari, Monserrato 09042, Italy
7. IOM-CNR Unità di Cagliari, Cittadella Universitaria, Monserrato 09042, Italy
8. Department of Biomedical Sciences, University of Padova, Italy