1 Biomedical Informatics Program, University of California San Diego, La Jolla, CA, USA.
2 Department of Medicine, Division of Medical Genetics and Moores Cancer Center, University of California San Diego, La Jolla, CA, USA.
3 Department of Medicine, Division of Medical Genetics and Moores Cancer Center, University of California San Diego, La Jolla, CA, USA. hkcarter@health.ucsd.edu.