First among equals? Recommendations and guidelines for deciding who gets authorship credit.

Across all disciplines, the course of determining authorship does not always run smoothly. Emma-Louise Aveling and Graham Martin argue that with funders pushing for wider collaboration, dilemmas about how to allocate authorship fairly is set to intensify. They present guidelines for research teams to consider. To ensure all decisions remain transparent, start discussions on authorship credit early on in the research process.