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Correspondence: l-emanuel@northwestern.edu
RAP conceived the study and, with LE and GH (who led on data acquisition and analysis), participated in its design and helped draft the manuscript.
All authors contributed to the analysis and interpretation of data, and read, contributed to, and approved the final manuscript.
The authors acknowledge the contribution of the following to the development of this paper: George H. Grant, Shoshanna Sofaer, Kenneth I. Pargament and Dylan M. Smith.
The authors also thank Mary Ellen Hudson, at Children’s Mercy Hospital, Kansas City, Missouri, and Carolyn Sebron at HealthCare Chaplaincy Network, New York, for their invaluable support with this study.
The funder played no role in the design, collection, analysis, and interpretation of data, or in the writing of the manuscript and the decision to submit the manuscript for publication.
The authors declare that they have no competing interests.
Financial support for this initiative was provided by the John Templeton Foundation (grant reference number 22399).
© 2015 Powell et al.; licensee BioMed Central.