1. Johns Hopkins Medical Institutions (P.W.L.), Baltimore, Maryland 21287-0003
2. Hines Veterans Affairs Pharmacy Benefits Management (M.M.), Hines, Illinois 60141
3. University of Arizona Health Sciences Center (E.M., H.T., S.G.), Phoenix, Arizona 85004
4. Veterans Affairs Cooperative Studies Program Coordinating Center (R.G.E., M.-C.S., L.C.), Veterans Affairs Palo Alto Health Care System, Palo Alto, California 94304
5. Stanford University (M.-C.S.), Stanford, California 94305
6. Veterans Affairs Cooperative Studies Program Clinical Research Pharmacy Coordinating Center and University of New Mexico (S.R.W., J.G.B.), Albuquerque, New Mexico 87131
7. Southern Arizona Veterans Affairs Health Care System (H.T., S.G.), Tucson, Arizona 85723
8. Charleston Veterans Affairs Medical Center and Medical University of South Carolina (T.O.), Charleston, South Carolina 29403
9. Minneapolis Veterans Affairs Medical Center and University of Minnesota (I.A.), Minneapolis, Minnesota 55455
10. Veterans Affairs Greater Los Angeles Healthcare System and University of California, Los Angeles (A.W.), Los Angeles, California 90095
11. Denver Veterans Affairs Medical Center and University of Colorado (B.H.), Denver, Colorado 80262
12. Cleveland Veterans Affairs Medical Center and Case Western Reserve University (M.D.), Cleveland, Ohio 44106
13. San Antonio Veterans Affairs Medical Center and University of Texas Health Science Center (J.E.), San Antonio, Texas 78229