Article History
First Online: 16 December 2019
Compliance with Ethical Standards
:
: No sources of funding were used to assist in the preparation of this article.
: Jeffrey K. Aronson has received royalties for material published in <i>Meyler’s</i><i>Side Effects of Drugs: the International Encyclopedia of Adverse Drug Reactions and Interactions</i> and the <i>Side Effects of Drugs Annuals</i>, which include material on medical devices. Carl Heneghan receives funding from the National Institute for Health Research (NIHR) Oxford Biomedical Research Centre and the NIHR School of Primary Care Research Evidence Synthesis Working Group [Project 390]. He receives expenses for teaching evidence-based medicine and is paid for his general practitioner work in the National Health Service out of hours. He is the Editor-in-Chief of <i>BMJ Evidence</i>-<i>Based Medicine</i> and an NIHR Senior Investigator. Robin E. Ferner has no conflicts of interest that are directly relevant to the content of this article.
: Patients were not involved in this study and ethics approval was not required.
: The data on which this work is based are freely available on request.