Ameet Sarpatwari1, Anna Kaltenboeck2, Aaron S Kesselheim1. 1. Program On Regulation, Therapeutics, And Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts. 2. Drug Pricing Lab, Center for Health Policy and Outcomes, Memorial Sloan Kettering Cancer Center, New York, New York.