About the Authors

Effie W Petersdorf

To whom correspondence should be addressed. E-mail: epetersd@fhcrc.org

Affiliations Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America , The University of Washington School of Medicine, Seattle, Washington, United States of America

Mari Malkki

Affiliation Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Ted A Gooley

Affiliations Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America , The Department of Biostatistics, University of Washington, Seattle, Washington, United States of America

Paul J Martin

Affiliations Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America , The University of Washington School of Medicine, Seattle, Washington, United States of America

Zhen Guo

Affiliation Division of Clinical Research, Fred Hutchinson Cancer Research Center, Seattle, Washington, United States of America

Competing Interests

EWP and ZG have applied for a US non-provisional 111(a) patent for the haplotyping method, serial number 10/843,985. The remaining authors have no conflict of interest.

Author Contributions

EWP contributed the study hypothesis and study design. ZG developed and carried out the haplotyping protocol, and MM managed the laboratory database. EWP, MM, and ZG analyzed haplotyping data, and PJM assisted in the analysis of GVHD. TAG performed the statistical analysis. All authors contributed to the preparation of the manuscript.