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Author Instructions

Letter to A Letter to Editor is usually an open / Unstructured abstract 3-8 /
Editor post-publication review of a paper from (optional). No more than keywords
its readers, often critical of some aspect 250 words. (optional)
of a published paper. Controversial
papers often attract numerous Letters to
Editor
Opinion An Opinion usually presents personal no more None required. 3-8 /
thoughts, beliefs, or feelings on a topic. than two keywords
pages
Perspective A Perspective provides personal 2000 max None required. 3-8 /
points of view on the state-of-the-art keywords
of a specific area of knowledge and
its future prospects. Links to areas
of intense current research focus can
also be made. The emphasis should
be on a personal assessment rather
than a comprehensive, critical review.
However, comments should be put
into the context of existing literature.
Perspectives are usually invited by the
Editors.
Research Research Highlights discuss the main 1,200 None required. 3-6 /
Highlight advances made by the paper as well as words max Keywords
putting the findings of the study into the excluding
proper context of the field. references,
figures,
and tables.
Table/
Figure: Max
of 1
2.3 Manuscript Structure
Trials, observational studies, systematic reviews, meta-analyses and qualitative research should be described and reported
according to standard guidelines, as presented by the Equator Initiative, such as CONSORT, STROBE or PRISMA
guidelines.

2.3.1 Front Matter
2.3.1.1 Title
The title of the manuscript should be concise, specific and relevant, with no more than 16 words if possible. When gene or
protein names are included, the abbreviated name rather than full name should be used.

2.3.1.2 Authors and Affiliations
Authors’ full names should be listed. The initials of middle names can be provided. Institutional addresses and email
addresses for all authors should be listed. At least one author should be designated as corresponding author. In addition,
corresponding authors are suggested to provide their Open Researcher and Contributor ID upon submission. Please note
that any change to authorship is not allowed after manuscript acceptance.
2.3.1.3 Abstract
Original research, systematic reviews, and meta-analyses require structured abstracts. The abstract should provide the
context or background for the study and should state the study’s purpose, basic procedures (selection of study participants,
settings, measurements, analytical methods), main findings (giving specific effect sizes and their statistical and clinical
significance, if possible), and principal conclusions. It should emphasize new and important aspects of the study or
observations, note important limitations, and not overinterpret findings. Clinical trial abstracts should include items that the
CONSORT group has identified as essential. It is not allowed to contain results which are not presented and substantiated in
the manuscript, or exaggerate the main conclusions. Citations should not be included in the abstract.

2.3.1.4 Keywords
Three to eight MeSH keywords should be provided, which are specific to the article, yet reasonably common within the
subject discipline.
2.3.2 Main Text
Manuscripts of different types are structured with different sections of content. Please refer to Types of Manuscripts to
make sure which sections should be included in the manuscripts. Please use correctly the terms “sex” (biological factors)
and “gender” (identity and socio-cultural factors).

VI Microbiome Research Reports