Supplement 1: AHCPR Smoking Cessation Guideline: Its Goals and Impact: Proceedings of a National United States Conference Convened by the Society for Research on Nicotine and Tobacco, Sponsored by the Robert Wood Johnson Foundation, Centers for Disease Control and Prevention Office on Smoking and Health, National Cancer Institute, and Agency for Health Care Policy and Research. Washington, DC, 17-18 September 1996 || Open Discussion: Successful Implementation: Prerequisites and Barriers