1. School of Chemistry, University of Bristol, Bristol, United Kingdom, BS8 1TS
2. Diamond Light Source Ltd, Diamond House, Harwell Science and Innovation Campus, Didcot, United Kingdom, OX11 0DE
3. Department of Chemistry, University of Toronto, Toronto, Ontario, Canada, M5S 3H6
4. H. H. Wills Physics Laboratory, University of Bristol, United Kingdom, BS8 1TL