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The authorship on the final study report will follow International Committee of Medical Journal Editors guidelines. All contributors will be included as MEDLINE searchable authors. How authors will be listed in the byline will depend on the relevant journal policies at the time of publication. This could mean all authors personally listed in the byline, selected authors listed in the byline and the remainder grouped as “The ROAR Study Group” and listed individually at the end of the publication, or all authors grouped as “The ROAR Study Group”. Any manuscripts reporting on the primary study endpoints will be published following this principle. Any publications on secondary endpoints will be handled flexibly depending on the dataset utilised and contributors to the analysis. 

Although impossible at this point to be specific, as a guide to intentions for authorship order, it would be expected that the members of the team undertaking analysis would be the first authors, registrars in recruiting units the second group of authors, medical students in recruiting units the third group of authors and consultants in recruiting units the fourth group of authors followed by the senior members of the team who designed the study. The order within each of these groups is likely to be in order of the number of patients recruited. Where a journal limits the number of authors on the byline, the authors on the byline will be those undertaking the analysis and then selected based on the number of patents recruited and the remainder listed as Pubmed searchable authors under “The ROAR Study Group”. Other criteria such as the percentage of SAH cases from HES searches verified may also be applied.