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Nurs Econ. 2010;28(3):159-169.AUTHORSMichong Rayborn, DNP, CRNA, is an assistant professor at the Univer-sity of Southern Mississippi, Hattiesburg, Mississippi. Email: Michong. rayborn@usm.edu.Gyeseon Jeong, PhD, CRNA, is an associate professor in the Chosun College of Nursing, Kwang Ju, South Korea.SatAnanda Hayden, PhD, MSN, RN, is an assistant professor at the University of Southern Mississippi.Sungu Park, MPH, is a director of biostatics, Sun Biomed Co, South Korea.DISCLOSURESThe authors have declared no financial relationships with any commercial entity related to the content of this article. The authors did not discuss off-label use within the article.