Over the course of this study, many individuals and organizations were willing to share their expertise, time, and thoughts with the committee. Their contributions informed committee deliberations and enhanced the quality of this report.

The study sponsor, the United States Department of Health and Human Services (HHS), willingly provided information and responded to questions. The committee is particularly grateful to Dr. Jeanette Guyton-Krishnan of HHS for her feedback during committee deliberations. The committee greatly appreciates the time and input of speakers Dr. Howard Koh, Dr. Carter Blakey, and Rear Admiral Penny Slade-Sawyer, whose presentations informed committee thinking.

The committee was extremely fortunate in its staffing for this study. We wish to thank Lyla M. Hernandez, who did a remarkable job of directing the study. Thanks also go to China Dickerson for her superior administrative support and to Andrew Lemerise for his excellent research support.