Author Affiliations: Clinical Advisor (Dr Jenkins), National Institutes of Health, National Human Genome Research Institute, Bethesda, Maryland; Senior Nurse Specialist (Dr Calzone), Research, National Institutes of Health, National Cancer Institute, Center for Cancer Research, Genetics Branch, Bethesda, Maryland.

This project and research were supported by the Intramural Research Program of the National Institutes of Health, including support from the National Human Genome Research Institute and the National Cancer Institute, as well as the Health Resources Services Administration, Bureau of Health Professions, Division of Nursing.

The authors declare no conflicts of interest.

Correspondence: Dr Jenkins, National Institutes of Health, National Human Genome Research Institute, 31 Center Dr, Bldg 31, Rm 4B09, Bethesda, MD 20892 ([email protected]).