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In Pasadena, Calif., Cecelia L. Crawford is the project manager III of translational research in the regional nursing research program at Kaiser Permanente Southern California, and Joyce A. Johnson is the director of the nursing education and research department at Southern California Permanente Medical Group. The content in this article has received appropriate institutional review board and/or administrative approval for publication. The authors have disclosed that they have no financial relationships related to this article.
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Crawford et al. (2012) studied this question.
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