About the Authors

Robert C. Karn, Christina M. Laukaitis
Department of Medicine, College of Medicine, University of Arizona, Tucson, Arizona, United States of America

Janet M. Young
Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Corresponding Author

rkarn@butler.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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.