College of Nursing and Health Professions, Drexel University, Philadelphia, Pennsylvania.

Correspondence: Jean S. MacFadyen, PhD, RN, College of Nursing and Health Professions, Drexel University, 245 N 15th St, Mail Stop 501, Bellet Bldg, Philadelphia, PA 19102 ([email protected]).

The author has disclosed that she has no significant relationships with, or financial interest in, any commercial companies pertaining to this article.