This project was supported by a Partnerships in Implementing Patient Safety II grant from the Agency for Healthcare Research and Quality (AHRQ), award number R18 HS019638. AHRQ’s mission is to improve the quality, safety, efficiency, and effectiveness of health care for all Americans. Information from AHRQ’s research helps people make more informed decisions and improve the quality of health care services.


The information presented here is that of the research team and does not necessarily represent the views of the School of Medicine of The University of North Carolina at Chapel Hill and/or the Agency for Healthcare Research and Quality.