Citations in supplementary material

Section Editor of Acta Crystallographica Section F, Helmholtz-Zentrum Berlin fur Materialien und Energie, Macromolecular Crystallography (BESSY-MX), Albert-Einstein-Strasse 15, D-12489 Berlin, Germany, Section Editor of Acta Crystallographica Section F, PO Box 6483, Lawrenceville, NJ 08648-0483, USA, Section Editor of Acta Crystallographica Section D, Past-President of the International Union of Crystallography, School of Biological Sciences, University of Auckland, Private Bag 92-019, Auckland, New Zealand, Section Editor of Acta Crystallographica Section D, Argonne National Laboratory, Biosciences Division, Building 202, Room Q142, Argonne, IL 60439, USA, Editor of Journal of Applied Crystallography, Helmholtz-Zentrum Berlin fur Materialien und Energie, Wissenschaftliche Geschaftsfuhrung, Glienicker Strasse 100, D-14109 Berlin, Germany, Editor-inchief of IUCr journals, ETH Zurich, Wolfgang-Pauli-Strasse 16, CH-8093 Zurich, Switzerland, and President of the IUCr, Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark