Harold G. Koenig is professor of psychiatry and behavioral sciences and assiciate professor of medicine at Duke University Medical Center, and is a distinguished adjunct professor at King Abdulaziz University in Jeddah, Saudi Arabia. He is director of Duke University's Center for Spirituality, Theology and Health in Durham, North Carolina. Dana E. King is professor of family medicine and vice chair of the Department of Family Medicine at the Medical University of South Carolina in Charleston, South Carolina. Verna Benner Carson is associate professor of nursing at Towson University in Fallston, Maryland.