Articles

A limited set of article types, each with clear expectations.

The journal starts with formats that can be reviewed consistently and reported according to established scientific standards.

Article type	Main text	Abstract	Display items	Core guidance
Original Research	Up to 4,000 words	Structured, up to 300	Up to 6 tables/figures	CONSORT, STROBE, STARD, TRIPOD or relevant guideline
Systematic Review / Meta-analysis	Up to 5,000	Structured, up to 300	Up to 6	PRISMA; protocol registration when applicable
Narrative Review	Up to 4,500	Up to 250	Up to 5	Transparent search and selection approach
Case Report / Case Series	Up to 2,000	Up to 200	Up to 4	CARE; consent for publication
Letter to the Editor	Up to 1,000	Not required	Up to 1	Focused scientific correspondence; up to 10 references

Editorials and perspectives

Editorials and Perspectives are published by invitation or at the discretion of the Editor-in-Chief. Unsolicited opinion pieces are not part of the initial submission portfolio.

Reporting standards

Authors should select the reporting guideline that best matches the study design and submit the corresponding checklist when applicable.

Randomized trials: CONSORT
Observational studies: STROBE
Systematic reviews: PRISMA
Diagnostic accuracy: STARD
Prediction models: TRIPOD
Case reports: CARE
Qualitative research: COREQ or SRQR, as appropriate

See the EQUATOR Network for current reporting guidelines.