Guideline for opioid therapy and chronic noncancer pain.

Competing Interests: Competing interests: D. Norm Buckley and Jason Busse report grants from Health Canada during the conduct of the study. Jason Busse received grants from the Canadian Institutes of Health Research (CIHR) during the conduct of the study. D. Norm Buckley reports grants from Purdue Pharma and Janssen Inc. outside the submitted work. Chris Cull received personal fees from Indivior. David Juurlink reports grants from CIHR and from the Ontario Ministry of Health and Long-Term Care, and personal fees outside the submitted work. Sol Stern was a member of advisory boards for Astra Zeneca, Bristol-Myers Squibb and Johnson and Johnson; received fees for expert opinions from the Canadian Medical Protective Association; received consulting fees from mdBriefCase.com, Ethypharm and Sea Courses; and received honoraria for Continuing Medical Education presentations from Purdue Pharma and Paladin. No other competing interests were declared.