Barbara Secker was responsible for the overall development and an analysis, conducted and analyzed the Delphi process, and was primary author of two of the vignettes. Maya J Goldenberg executed and coordinated the writing of drafts of the paper and contributed to the analysis. Barbara E Gibson contributed to the analysis, was primary author of one of the vignettes and primary author of the methods section. Frank Wagner contributed to the analysis, was primary author of one of the vignettes and assisted with the Delphi process Bob Parke contributed to the analysis and was primary author of two of the vignettes. Jonathan Breslin and Alison Thompson contributed to the analysis. Jonathan R Lear conducted the review and summary of the literature and contributed to the analysis. Peter A Singer contributed to overall conceptualization of the purpose, methods and deliverables of the study and contributed to the analysis.

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