1. Biogéochimie et Modélisation du Système Terre, Département Géosciences, Environnement et Société, Université Libre de Bruxelles, 50 Av. F. D. Roosevelt, 1050 Brussels, Belgium.
2. Illinois State Geological Survey, University of Illinois at Urbana-Champaign, 615 E. Peabody Dr., Champaign, IL 61820, USA.
3. Center for Microscopy and Molecular Imaging, Université Libre de Bruxelles, 12 rue des professeurs Jeener et Brachet, Charleroi 6041, Belgium.
4. Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK.
5. Geophysical Laboratory, Carnegie Institution of Washington, 1530 P St NW, Washington, DC 20005, USA.
6. German Research Centre for Geosciences, GFZ, Telegrafenberg, 14473 Potsdam, Germany.
7. Department of Earth Sciences, Free University of Berlin, 12249 Berlin, Germany.