1. Scripps Whittier Diabetes Institute, Scripps Health, San Diego, CA
2. Department of Medicine, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA
3. VA Health Services Research and Development Center for Healthcare Innovation, Implementation and Policy, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, CA
4. Department of Family Medicine, University of Michigan, Ann Arbor, MI
5. VA Ann Arbor Healthcare System, Center for Clinical Management Research, Ann Arbor, MI