1. Diamond Light Source, Harwell Science and Innovation Campus, Didcot OX11 0DE, UK
2. Rosalind Franklin Institute, Harwell Science and Innovation Campus, Didcot OX11 0QS, UK
3. Wellcome Trust, Gibbs Building, 215 Euston Road, London NW1 2BE, UK
4. European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38043 Grenoble, France