1. School of Public Health, Georgia State University, Atlanta (Owen-Smith); Center for Research and Evaluation, Kaiser Permanente Georgia, Atlanta (Owen-Smith, Cromwell); Health Research Institute, Kaiser Permanente Washington, Seattle (Stewart, Simon); Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California (Coleman, Barton); Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California (Coleman, Simon).