About the Authors

Roojin Habibi

Affiliation Faculty of Health Sciences, McMaster University, Hamilton, Ontario, Canada

Joel Lexchin


Affiliations School of Health Policy and Management, York University, Toronto, Ontario, Canada, University Health Network, Toronto, Ontario, Canada, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada

Competing Interests

In 2008 Joel Lexchin was an expert witness for the Canadian federal government in its defence against a lawsuit challenging the ban on direct-to-consumer advertising. In 2010 he was an expert witness for a law firm representing the family of a plaintiff who allegedly died from an adverse reaction from a product made by Allergan. He is currently on the Management Board of Healthy Skepticism Inc. and is the Chair of the Health Action International – Europe Association Board. Joel Lexchin is a PLOS ONE Editorial Board member. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JL RH. Performed the experiments: JL RH. Analyzed the data: JL RH. Contributed reagents/materials/analysis tools: JL RH. Wrote the paper: JL RH.