About the Authors
National Human Genome Research Institute, National Institutes of Health, Bethesda, Maryland, United States of America
National Cancer Institute, Bethesda, Maryland, United States of America
National Institute of Child Health and Human Development, Bethesda, Maryland, United States of America
Center for Genomics of the Cell, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MB SMB. Performed the experiments: MB JB RS VG. Analyzed the data: MB JB RS VG MLA SMB. Contributed reagents/materials/analysis tools: MB JB RS VG MLA SMB. Wrote the paper: MB MLA SMB.