Stacy Cooper Bailey1, Lauren A McCormack2, Michael K Paasche-Orlow3. 1. a Division of Pharmaceutical Outcomes and Policy , University of North Carolina Eshelman School of Pharmacy , Chapel Hill , North Carolina , USA. 2. b Health Communications Program , RTI International , Research Triangle Park , North Carolina , USA. 3. c Section of General Internal Medicine, Department of Medicine , Boston University School of Medicine , Boston , Massachusetts , USA.