Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.|Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.|Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.|Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.|Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.|Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA.