[1] Univ Maryland, College Pk, MD 20742 USA
[2] Natl Qual Forum, Washington, DC USA
[3] Univ Chicago, Dept Med, Healthcare Eth, 5841 S Maryland Ave, Chicago, IL 60637 USA
[4] Univ Chicago, RWJF Finding Answers Solving Dispar Payment & Del, Chicago, IL 60637 USA
[5] Univ Calif Los Angeles, Dept Hlth Policy & Management, Los Angeles, CA USA
[6] Univ Calif Los Angeles, Ctr Global & Immigrant Hlth, Los Angeles, CA USA
[7] Univ Calif Los Angeles, UCLA Ctr Hlth Policy Res, Fielding Sch Publ Hlth, Los Angeles, CA USA
[8] Yale New Haven Med Ctr, Ctr Outcomes Res & Evaluat, Qual Measurement, 20 York St, New Haven, CT 06504 USA
[9] Yale Sch Med, Dept Internal Med, New Haven, CT USA
[10] Council Med Specialty Soc, Washington, DC USA