Authorship, Copyright and Conflict of Interest


All work must have been approved by all co-authors prior to submission.

The author list should include at least one author from the country in which the research was performed.

Authorship credit should be based on the following criteria: 1) substantial contributions to the conception, design, access to and acquisition of data, or the analysis or interpretation of data; 2) drafting the article or revising it critically for intellectual content; and 3) final approval of the version to be published.

Multicentre groups: When a multicentre group has conducted the study, all individuals who accept direct responsibility for the manuscript should be identified. When submitting a group author manuscript, the corresponding author should clearly identify all individual authors, as well as the group name.

A conflict of interest statement, author contributions and funding should all be included on the title page of the article.


On submission of the article the submiting author will be requested to complete and submit the copyright form online.

On acceptance, the copyright form must be completed on line by all authors. The article will not be published online until all authors have submitted the electronic form.

Conflict of Interest

On acceptance, the ICMJE Conflict of Interest (COI) form must be completed by all authors. The article will not be published online until a completed form is received from each author.

  1. Download the form to your computer.
  2. Open the form in Adobe Acrobat Reader, fill it out and then save it to your computer.
  3. e-mail the form directly to the the PHA Editorial Office, at

The ICMJE form can be accessed here.