1 Department of Surgery, School of Medicine, and Mouse Biology Program, University of California, Davis, Davis, CA 95618, USA. kclloyd@ucdavis.edu.
2 Laboratory Medicine and Pathobiology, University of Toronto, Ontario M5T 3H7, Canada. Research Partnerships, Toronto Center for Phenogenomics, Toronto, Ontario M5T 3H7, Canada.
3 Laboratory of Developmental Biology and Genomics, College of Veterinary Medicine, and Korea Mouse Phenotyping Center, Seoul National University, Seoul, 151-747, Korea.
4 Institute of Pathology, Helmholtz Zentrum Munich GmbH, Neuherberg, Munich D-85764, Germany.