Mouse Genome Informatics [MGI], The Jackson Laboratory 600 Main Street, Bar Harbor, ME 04609, USA. mdolan@informatics.jax.org|Mouse Genome Informatics [MGI], The Jackson Laboratory 600 Main Street, Bar Harbor, ME 04609, USA. mdolan@informatics.jax.org|Mouse Genome Informatics [MGI], The Jackson Laboratory 600 Main Street, Bar Harbor, ME 04609, USA. mdolan@informatics.jax.org|Mouse Genome Informatics [MGI], The Jackson Laboratory 600 Main Street, Bar Harbor, ME 04609, USA. mdolan@informatics.jax.org