1. Department of Internal MedicineThe University of Texas Southwestern Medical Center Dallas Texas
2. Parkland Health & Hospital System Dallas Texas
3. Department of Clinical SciencesThe University of Texas Southwestern Medical Center Dallas Texas
4. Harold C. Simmons Cancer CenterThe University of Texas Southwestern Medical Center Dallas Texas
5. Department of Internal MedicineUniversity of Michigan Ann Arbor Michigan
6. Veterans Affairs Center for Clinical Management Research Ann Arbor Michigan
7. Institute for Healthcare Policy and InnovationUniversity of Michigan Ann Arbor Michigan