1. Claire E. Trescott is medical director of primary care services at Group Health, in Seattle, Washington.
2. Randi M. Beck is chief of physical medicine and rehabilitation at Group Health.
3. Michelle D. Seelig is medical director for clinical knowledge development and support in the Department of Clinical Improvement and Prevention at Group Health.
4. Michael R. Von Korff (vonkorff.m@ghc.org) is a senior investigator at the Group Health Research Institute.