1. Department of Materials, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
2. Scienta Omicron GmbH, Limburger Strasse 75, 65232 Taunusstein, Germany
3. Scienta Omicron AB, P.O. Box 15120, 750 15 Uppsala, Sweden
4. Department of Physics, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom
5. Department of Chemistry, University College London, Christopher Ingold Building, 20 Gordon Street, London WC1H 0AJ, United Kingdom
6. Thomas Young Centre, University College London, Gower Street, London WC1E 6BT, United Kingdom
7. Diamond Light Source Ltd., Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, United Kingdom