1 Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. xuc@janelia.hhmi.org.
2 Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.
3 Molecular Diabetology, University Hospital and Faculty of Medicine Carl Gustav Carus, TU Dresden, Dresden, Germany.
4 Paul Langerhans Institute Dresden (PLID) of the Helmholtz Center Munich at the University Hospital Carl Gustav Carus and Faculty of Medicine of the TU Dresden, Dresden, Germany.
5 German Center for Diabetes Research (DZD e.V.), Neuherberg, Germany.
6 Genentech, South San Francisco, CA, USA.
7 Molecular and Cellular Biophysics Program, Department of Biological Sciences, University of Denver, Denver, CO, USA.
8 Department of Cell and Developmental Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
9 Electron Microscopy Resource Center, The Rockefeller University, New York, NY, USA.
10 Department of Molecular Metabolism, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
11 Department of Cell Biology, Harvard Medical School, Boston, MA, USA.
12 Advanced Bio-imaging Center, Department of Molecular and Cell Biology, University of California, Berkeley, CA, USA.
13 Howard Hughes Medical Institute, Boston, MA, USA.
14 Broad Institute of Harvard and MIT, Cambridge, MA, USA.
15 Max-Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany.
16 Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA. hessh@janelia.hhmi.org.