Sherri Sheinfeld Gorin, Ph.D., is associate professor at Columbia University, Teachers College, and senior member, Herbert Irving Comprehensive Cancer Center, New York, N.Y., and director, New York Physicians Against Cancer (NYPAC).

Joan Arnold, Ph.D., R.N., is professor of nursing, The College of New Rochelle School of Nursing, and serves as a consultant to the New York State Center for Sudden Infant Death, New York City Satellite Office/MHRA.