1 Molecular Biology of Archaea, Institute of Biology II - Microbiology, University of Freiburg, Freiburg, Germany.
2 Département de Microbiologie, Infectiologie et Immunologie, Université de Montréal, Montréal, QC, Canada.
3 The Microbial Ecophysiology Laboratory, Department of Molecular and Cell Biology, University of Connecticut, Storrs, CT, United States.
4 Department of Cellular and Molecular Pharmacology, Howard Hughes Medical Institute, University of California, San Francisco, San Francisco, CA, United States.