Call for submissions opened June 17, 2019. The deadline to submit an abstract is November 29, 2019 11:59 PM EST.

The WFH 2020 Program Committees invite abstracts focusing on medical and multidisciplinary approaches to hemophilia. The purpose of this abstract submission is to provide an outline for presentation to be given at the WFH 2020 World Congress, in Kuala Lumpur, Malaysia, June 14-17, 2020.

The late-breaking abstract submission period is March 2 to April 14, 2020.
Late-breaking abstracts should describe the latest advances that will change our daily clinical practice, and should highlight novel and practice-changing studies. The selection process will favour abstracts with ground-breaking and unique data that would not otherwise have been presented at the Congress. In every case, the results should not be fully available by the regular abstract submission deadline.

For more information and to submit an abstract:


Access all Congress 2018 abstracts

Abstract Submission Guidelines

Abstract deadline November 29, 2019 11:59 pm EST
Notification to authors January 13-17, 2020
Abstract presenter registration deadline February 27, 2020

Please carefully read the following guidelines and sample abstract prior to submitting an abstract online.

  • The abstracts must not have been published before. Note that selected abstracts will be published as a supplement in Haemophilia journal, the official Congress book of abstracts.
  • Rule of two: Each author may present a maximum of two abstracts at the Congress. However, authors can make an unlimited number of submissions. Should an author have more than two abstracts accepted, a co-author must be named as the presenting author for the third or more abstracts.
  • All presenting authors must be paid registrants of the Congress by February 27, 2020, for regular abstracts and May 8, 2020, for late-breaking abstracts. After this date, presenting authors who have not paid their registration fees will be excluded from the program, as well as from the abstract book.
  • The submission of an abstract carries with it the obligation that it will be presented at Congress by the presenting author. Failure to present as scheduled may result in the non-acceptance of future submissions at WFH meetings.
  • Each abstract will be blinded and scored by three reviewers. Abstracts will be accepted based on the following criteria: relevance; interpretation of results; originality and novelty; organization; and clarity.
  • Abstracts may not be revised or resubmitted after the deadline date of November 29, 2019.
  • Please submit abstract withdrawal requests in writing by March 23, 2020.
  • Please submit change of presenting author requests in writing by March 23, 2020. After this date, changes will not appear in the Book of Abstracts.
  • Abstracts should be clear, concise, and written and presented in English. Abstracts will be published as submitted. Presenters are requested to carefully proofread their abstract. The Congress Program Committee reserves the right to reject abstracts that are deemed to be poorly written or to request an immediate revision of the text to improve its readability.
  • Abstracts should not exceed 350 words. When calculating your word count, please note that every table or graph in your abstract counts as 50 words each.
  • Images are NOT permitted.
  • Be sure to indicate the appropriate topic category when submitting your abstract to ensure proper consideration.
  • Choose a preferred presentation type (oral or poster). The Congress Program Committee will determine whether the abstract will be accepted as a free paper, moderated poster or a poster, with consideration given to the author’s preference, available time, and fit in the Congress program.
  • Your abstract must include the following sections:
    • Introduction and Objective
    • Materials and Methods
    • Results
    • Conclusions
  • Do NOT include references, credits or grant support in your abstract
  • The abstract that you upload MUST NOT include the author list. Authors and affiliations are to be submitted on the on-line form only. Only one presenting author is permitted per submission.
  • If an author’s name appears on more than one abstract, it must be written in the same way on each abstract to ensure proper indexing.
  • Abstracts that describe single clinical cases, or lack quantitative data will NOT be accepted. Authors are NOT to split data to create several abstracts from one. If “splitting” has been judged to have occurred, the priority scores of related abstracts will be reduced.
  • Use a short, specific title for your abstract. The title should be entered in sentence case. Do not use a period at the end of the title and do not place the title in quotes nor use ALL CAPS.
  • Capitalize the first letter of trade names.
  • Do NOT use ALL CAPS in the title or in the body text.
  • Use standard abbreviations for units of measure. Other abbreviations should be spelled out in full at first mention, followed by the abbreviation in parenthesis (exceptions: RNA, DNA, etc.).
  • Special Characters: Please use the special character palette if you need to use a special character. If you copy and paste your abstract, please be sure to enter special characters using the palette, even if they seem to appear correctly after pasting. If you do not use the special palette, your special characters will not appear properly in publication. Please be sure to double-check during proofreading to ensure all special characters were converted properly.
  • Do not attach illustrations, or additional figures.

The notification of abstract acceptance or rejection for early abstract submissions will be sent the week of January 13, 2020.

The notification regarding abstract status—as either a free paper or poster presentation—as well as presentation guidelines will be sent during the week of January 13, 2020.

The notification for late-breaking abstracts will be sent by April 17, 2020.

Please note that only the corresponding author will be contacted concerning the abstract, and so the corresponding author is responsible for informing all co-authors of the status of the abstract.

Submission of the abstract constitutes permission for the WFH to publish the abstracts in either print or electronic format.

The WFH requires authors to identify any significant conflicts of interest and all outside sources of funding. Authors must include any disclosures at the end of the abstract. Please note that the disclosure word count does not count towards the total abstract word count.

Please click here for the submission page.

Once you have created a profile in the Congress online system, you can submit one or several abstracts from your account. After an abstract has been created, modifications can be made until the abstract submission deadline. Please note that you cannot create another account if you have previously created one. If you need to retrieve your username and password, please click on the lost or forgotten password button when signing into the submission page.

Please note that all accepted poster and free paper presenters must register as delegates for the Congress. To register and book a hotel room online, please click here.