Corresponding Author: Mark A. Hall, JD, Medical Center Boulevard, Worrell Professional Bldg, Room 3314, Winston-Salem, NC 27105 (mhall@wfubmc.edu).
Financial Disclosures: None reported.
Funding/Support: This work was supported by a Robert Wood Johnson Foundation Investigator Award in Health Policy Research.
Role of the Sponsor: The foundation had no role in the preparation or approval of this article.
Disclaimer: The Robert Wood Johnson Foundation does not necessarily endorse the views expressed here.
Additional Contribution: Janice Lawlor, MPH, provided valuable research assistance as part of her employment at Wake Forest University, Winston-Salem, North Carolina.