Corresponding Author: Michael E. Porter, PhD, MBA, Institute for Strategy and Competitiveness, Harvard Business School, Soldiers Field Road, Boston, MA 02163 (mporter@hbs.edu).
Financial Disclosures: The authors receive royalties for their book Redefining Health Care and honoraria for presentations and discussions related to it. They each own stock in a number of companies that are suppliers to the health care sector.
Funding/Support: The George W. Baker Foundation at Harvard Business School and the New England Healthcare Institute provided financial support for the authors' research during the time that this article was written.
Role of the Sponsor: Neither funder had involvement in the research or writing of this article.
Acknowledgment: We thank Joan Magretta, PhD, senior institute associate for the Institute for Strategy and Competitiveness, Harvard University, for her major contribution in shaping this article, for which she received compensation.