Corresponding Author: Sheila M. Rothman, PhD, Center for Society and Medicine, Columbia College of Physicians and Surgeons, 630 W 168th St, PH 15-25, New York, NY 10023 (smr4@columbia.edu).
Author Contributions: Dr S. Rothman had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: S. Rothman, D. Rothman.
Acquisition of data: S. Rothman.
Analysis and interpretation of data: S. Rothman, D. Rothman.
Drafting of the manuscript: S. Rothman, D. Rothman.
Critical revision of the manuscript for important intellectual content: S. Rothman, D. Rothman.
Obtained funding: D. Rothman.
Administrative, technical, or material support: S. Rothman.
Study supervision: S. Rothman.
Financial Disclosures: None reported.
Funding/Support: This work was funded by the Pew Charitable Trusts.
Role of the Sponsor: The funder of this study did not play a role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; or preparation or review of the manuscript.
Additional Contributions: We benefited from the comments and insights of Eric G. Campbell, PhD (Institute of Health Policy, Massachusetts General Hospital), Susan Chimonas, PhD (Center on Medicine as a Profession, College of Physicians and Surgeons, Columbia University), Ingrid Nygaard, MD (Department of Obstetrics and Gynecology, University of Utah), Joshua M. Sharfstein, MD (then with the Baltimore City Health Department), David Wofsy, MD (Department of Rheumatology, University of California, San Francisco School of Medicine), and Thomas C. Wright, MD (Department of Pathology, College of Physicians and Surgeons, Columbia University). None of these individuals received any compensation for their contributions. We thank Natassia Rosario, MPH, and Sydney Kinnear, BA, for their skilled research assistance. Mss Rosario and Kinnear were compensated for their contributions by the Center on Medicine as a Profession, College of Physicians and Surgeons, Columbia University.