1. Brigham and Women’s Hospital (M.S.L., R.N.), Boston, Massachusetts 02115
2. Harvard Medical School (M.S.L.), Boston, Massachusetts 02115
3. Fred Hutchinson Cancer Research Center (A.L., L.W., C.K.), Seattle, Washington 98109
4. College of Medicine and Public Health (R.J.), Ohio State University, Columbus, Ohio 43210
5. University of California, Davis (J.L.), Davis, California 95616
6. San Francisco Coordinating Center (D.C.B., S.C.), California Pacific Medical Center Research Institute, San Francisco, California 94115
7. University of California, San Francisco (D.C.B., S.C.), San Francisco, California 94102
8. University of Pittsburgh (J.C.), Pittsburgh, Pennsylvania 15260
9. University of Alabama at Birmingham (C.L.), Birmingham, Alabama 35233
10. MedStar Research Institute (A.M.T.), Washington, D.C. 20783
11. Sinai Hospital of Baltimore (A.M.T.), Baltimore, Maryland 21215