The work of A.S.K. is supported by Arnold Ventures. The work of A.T. is supported by the Alfonso Martín Escudero Foundation. A.S.K. reports serving as a consultant for Alosa Health and as an expert witness on behalf of a class of individual plaintiffs in a case against Gilead relating to its tenofovir-containing products, on behalf of a payor in a case against Teva regarding Copaxone marketing, on behalf of the Federal Trade Commission in a case against pharmacy benefits managers relating to insulin and in a case (now complete) against a cardiovascular device manufacturer, and on behalf of a group of state attorneys general and payors in a case against multiple generic manufacturers related to alleged price fixing. A.T. reports receiving personal consulting fees from Alosa Health.