1 HudsonAlpha Institute for Biotechnology, Huntsville, Alabama, United States of America.
2 Department of Genetics, Stanford University School of Medicine, Stanford, California, United States of America.
3 School of Biomolecular and Biomedical Science, Conway Institute, University College Dublin, Dublin, Ireland.
4 Department of Biology and the Integrative Program for Biological and Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America.
5 Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan, United States of America.
6 Department of Ecophysiology, Max Planck Institute for Terrestrial Microbiology, Marburg, Germany.
7 Environmental Genomics, Christian-Albrechts University of Kiel, Kiel, Germany.
8 Max Planck Institute for Evolutionary Biology, Plön, Germany.