Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu|Imaging Platform, Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA. thouis@broad.mit.edu