About the Authors

William B. Stason

Affiliation Schneider Institutes for Health Policy, The Heller School, MS 035, Brandeis University, Waltham, Massachusetts, United States of America

Grant A Ritter

Affiliation Schneider Institutes for Health Policy, The Heller School, MS 035, Brandeis University, Waltham, Massachusetts, United States of America

Timothy Martin

† Deceased.

Affiliation Schneider Institutes for Health Policy, The Heller School, MS 035, Brandeis University, Waltham, Massachusetts, United States of America

Jeffrey Prottas

Affiliation Schneider Institutes for Health Policy, The Heller School, MS 035, Brandeis University, Waltham, Massachusetts, United States of America

Christopher Tompkins

Affiliation Schneider Institutes for Health Policy, The Heller School, MS 035, Brandeis University, Waltham, Massachusetts, United States of America

Donald S. Shepard

shepard@brandeis.edu

Affiliation Schneider Institutes for Health Policy, The Heller School, MS 035, Brandeis University, Waltham, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WBS GAR TM JP CT DSS. Performed the experiments: WBS GAR TM JP DSS. Analyzed the data: WBS GAR TM JP DSS. Contributed reagents/materials/analysis tools: WBS GAR JP. Wrote the paper: WBS DSS.