Institution: | 1 Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, USA;2 Laboratory of Biochemistry and Molecular Biology, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA;3 Department of Biology, Institute of Molecular Systems Biology, ETH Zurich, Zurich 8092, Switzerland;4 Faculty of Science, University of Zurich, Zurich 8057, Switzerland;5 HHMI Janelia Farm Research Campus, Ashburn, VA 20147, USA |