Manuscript Preparation Guidelines

The following items are needed for submission to JAH:

  1. Full Manuscript PDF: PDF containing all parts of the manuscript including title page, references, legends, figures and tables.
  2. Manuscript Text File: For word count and reference extraction, please provide a manuscript text file (e.g., MS Word)
  3. Figures: For initial review, it is preferred that each figure and its corresponding legend should be presented together on its own page within the full PDF. Full resolution figure files are not required at initial submission; figures for review can be uploaded as a single PDF or as part of a complete manuscript PDF.
  4. Supplemental Material: Supplements should be uploaded as a complete PDF file containing all supplemental text and figures; video files and large datasets in Excel file format can be uploaded separately. Videos must be provided in a filetype that is playable on both PC and Mac computers. We recommend the use of MP4 video files (.mp4, .m4v, .mp4v extensions) or the .mov filetype.
  5. If applicable, any overlapping publications or previously published abstracts, along with a copy of any submitted or in press references mentioned in the manuscript.

Please ensure your submission files adhere to the following guidelines:

  1. Assemble the manuscript in this order: Title Page, Abstract, Text (Introduction, Methods, Results, Discussion), Acknowledgments, Sources of Funding, Disclosures, References, Figure Legends, Tables, and Figures. As an aid to reviewers, please number every page except the title page.
  2. References, figures, and tables should be cited in numerical order according to first mention in the text.
  3. Number all pages, including figures with legends and tables
  4. Number each line in the manuscript text file
  5. Abbreviations must be defined at first mention

It is recommended that manuscripts be typed, double-spaced using a 12-point font, including references, figure legends, and tables. Please leave 1-inch margins on all sides. The methods section should provide sufficient detail for the experiments to be reproduced and should provide sufficient information for the reader to understand the basic methods of the study and to review the fundamental findings in a mechanistic way; as needed, additional methods and information may be included as Supplemental Material. 

The first page of the manuscript (title page) should contain the following elements:

  • Full title
  • Authors’ names, academic degrees, and affiliations
  • Author names can also include the native language along with the English version. Use standard Microsoft fonts for these characters
  • Short title (not to exceed 50 characters, including spaces)
  • Name, email address, and complete address of corresponding author
  • The total word count of the manuscript (including Title Page, Abstract, Text, References, Tables and Figures Legends)

Please adhere to the following guidelines for the article abstract:

  • Do not cite references in the abstract.
  • Avoid use of acronyms and abbreviations. Define at first use with acronym or abbreviation in parentheses.
  • When applicable, Clinical Trial Registration information should be included at the end of the Abstract with the URL and Unique Identifier, for the publicly accessible website on which the trial is registered.

Figures: For initial review, each figure and its corresponding legend should be presented together on its own page with in the manuscript PDF. The font size for figure text must be 10 point or higher.

  • Figure parts should be clearly labeled. Letters and locants must be uniform in size and style within each figure, and when possible, between figures. Avoid haedings on the figure; heading information should appear in the figure legend.
  • Limit white space between the panel and panel label.
  • Symbols and abbreviations must be defined in the figure or its legend.
  • Linear adjustment of contrast, brightness or color must be applied equally to all parts of an image.
  • Blots and gels need to be presented with a much context as possible (ie, panels should not to be cut up into individual blots).
  • Supply a scale bar with photomicrographs.
  • Authors must be prepared to submit the original, unaltered files from which the submitted figures were derived, if requested by the editorial office.

Tables: All table(s) in the main manuscript document should be included as text, not as an image. Table(s) are counted in the word limit. 

  • Number tables using Arabic numerals, and supply a brief, informative title for each table.
  • Table text must be consistent in size and style with main manuscript text.
  • Supply brief column headings.
  • Use only horizontal borders above and below the column headings and at the bottom of the table. Use extra space to delineate rows and columns.
  • Indicate footnotes in this order: *, †, ‡, §, ||, #, **
  • Abbreviations used in the table must be defined in a footnote to the table.

References: JAH uses a numbered endnote style for references. Please use the following citation format:

AuthorLastName FirstInitial. Name of article. Name of Journal. Year;Volume:Number. DOI

Please see the following example:

Kochav SM, Coromilas E, Nalbandian A, Ranard LS, Gupta A, Chung MK, Gopinathannair R, Biviano AB, Garan H, Wan EY. Cardiac arrhythmias in COVID-19 infection. Circ Arrhythm Electrophysiol. 2020;13:e008719. doi: 10.1161/CIRCEP.120.008719

References should be cited in numerical order according to first mention in the text, including Figure and Table legends, followed by references that are cited in the Supplemental Material only. When possible, list any reference cited in a table or figure legend in the reference list according to where the table or figure is cited in the text. Supplemental Materials should not include a separate reference list and all citations in the Supplemental Materials should be included in the main reference list.

Supplemental Material: Supplemental Material must be submitted at the time of original manuscript submission. All original Supplemental Material should be provided as a combined PDF labeled accordingly. Please note that this single PDF would include all of the supplemental material related to your manuscript, except for file types that cannot be converted to PDF such as video files or large data sets. Videos must be provided in a filetype that is playable on most devices, including PC and Mac computers and mobile. We recommend the use of MP4 video files (.mp4, .m4v, .mp4v extensions) or the .mov filetype. Supplemental Materials should not include a separate reference list and all citations in the Supplemental Materials should be included in the main reference list. In the manuscript text, following the Acknowledgments, Sources of Funding, & Disclosures section, please include a list of the supplemental materials with a callout to any references that are in the Supplemental Material only, for example:

Supplemental Material
Supplemental Methods
Tables S1–S3
Figure S1
Videos S1–S4
Data Set
Major Resources Table
References #–#

The Acknowledgements, Sources of Funding, and Disclosures should be formatted as three distinct sections:

  1. Acknowledgments:This area is to acknowledge contributions to the manuscript. All persons acknowledged must have seen and approved mention of their names in the article, as readers may infer their endorsement of data and conclusions; as such, acknowledged individuals must provide written (email) acknowledgment of their agreement to be included before acceptance. Emails from persons acknowledged can be forwarded to the editorial office or sent directly from the person. Please ensure the manuscript number is included in all correspondence.
  2. Sources of Funding:State funding that supported the studies. Please include all sources of research support, including public and private entities, commercial or institutional support, and any substantial contributions by individuals. All grant funding agency abbreviations should be completely spelled out, with the exception of NIH.
  3. Disclosures:All actual or potential perceived conflicts of interests should be stated. If authors have nothing to disclose, they must state "None".

Revised Submissions

If revisions are requested for your manuscript, please upload a “clean” version of the revised manuscript and a version with tracked changes to the portal by the specified deadline. Please include continuous line numbers in both versions of the document. If any changes to the author list have been made to the revised submission, please indicate this in a cover letter.

With the revised manuscript, please include a separate document with detailed responses to each of the reviewers’ and editors’ comments, providing each comment verbatim in bold followed by your response. Please give the exact page number(s), paragraphs, and line number(s) where each revision was made. If you made substantive changes to the manuscript outside of reviewer and editor comments, please indicate the nature and location of the changes in your response. Please also clearly indicate any deletions in the manuscript.  

Authorship Criteria & Responsibilities

Credit for authorship requires substantial contributions to: conception and design, or acquisition of data, or analysis and interpretation of data; drafting the manuscript or revising it critically for important intellectual content; and final approval of the version to be published. Prior to publication, authors will need to attest that they fulfil the authorship criteria and identify their contributions to the work described in the manuscript. One author should be designated as the corresponding author for the submission, peer review, and production process, and they will be identified as such in the published article.

JAH will consider name change requests without requiring a correction notice for reasons including, but not limited to, gender identity, marriage, divorce, and religious conversion.