To the Editor Dr Sox1 examined conflict of interest (COI) of practice guidelines panels at 2 levels: the individual panel members and the sponsoring organizations. He proposed 4 principles of management of COI that complement the 2011 standards from the Institute of Medicine (IOM; now the National Academy of Medicine).2 The Guidelines International Network also released principles for disclosure of interests and management of conflicts in guidelines in 2015.3 These principles, if implemented adequately, help optimize the trustworthiness of guidelines by minimizing the risk of bias associated with COI and maximizing guideline credibility.