1. Kaiser Permanente Southern California, Pasadena, California (D.G., T.A.B., V.P.Q.)
2. Emory University, Atlanta, Georgia (R.N., W.D.F., T.L.L., M.G.)
3. Kaiser Permanente Los Angeles Medical Center, Los Angeles, California (T.C.B.)
4. Kaiser Permanente Georgia, Atlanta, Georgia (L.C., B.R.)
5. Kaiser Permanente Northern California, Oakland, California (E.H., A.M., M.J.S., J.S.)
6. Kaiser Permanente Mid-Atlantic States, Rockville, Maryland (D.R.)
7. Icahn School of Medicine at Mount Sinai, New York, New York (J.S.)
8. Emory University School of Medicine and Atlanta VA Medical Center, Atlanta, Georgia (V.T.)