About the Authors
Department of Medicine, College of Medicine, University of Arizona, Tucson, Arizona, United States of America
Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RCK CML. Performed the experiments: RCK JMY. Analyzed the data: RCK JMY CML. Contributed reagents/materials/analysis tools: JMY. Wrote the paper: RCK. Wrote computer scripts for sorting SNPs in V1R genes in Perlegen data: JMY. Linkage disequilibrium analysis: CML.