1. Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA.
2. Department of Computer Science, University of California, Los Angeles, Los Angeles, CA, USA.
3. Bioinformatics Interdepartmental Program, University of California, Los Angeles, Los Angeles, CA, USA.
4. Department of Computational Medicine, University of California, Los Angeles, Los Angeles, CA, USA.