1. Department of Internal MedicineUniversity of Michigan Medical School Ann Arbor Michigan
2. Department of MedicineStanford University Stanford California
3. Department of Health Research and PolicyStanford University Stanford California
4. Department of Population Health SciencesUniversity of Utah School of Medicine Salt Lake City Utah
5. Department of Radiation OncologyUniversity of Michigan Medical School Ann Arbor Michigan
6. Ann Arbor VA Center for Clinical Management Research Ann Arbor Michigan