1 Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA. thwang1@bwh.harvard.edu.
2 Department of Entrepreneurship and Strategy, David Eccles School of Business, University of Utah, Salt Lake City, UT, USA.
3 Department of Economics, University of North Carolina, Chapel Hill, NC, USA.
4 Program on Regulation, Therapeutics, and Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.