1. From the Kaiser Permanente Southern California, Pasadena, CA (J.A., T.L., L.Q., R.W., R.L., K.R.)
2. University of Alabama at Birmingham (P.M.)
3. Southern California Permanente Medical Group, Los Angeles (J.B.)
4. The Permanente Medical Group, San Francisco, CA (M.G.J.)
5. Resolve to Save Lives, an Initiative of Vital Strategies, New York City (A.E.M.)
6. Division of General Medicine, Columbia University Irving Medical Center, New York City (A.E.M.)
7. Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, CA (K.R.).