Policy on the use of third-party materials

To use third-party material in an article, you must obtain all necessary permissions. The following are examples of materials that require proper authorization and attribution: text, illustrations, photographs, tables, data, audio, video, film stills, screenshots, and musical notation.

Generally, the use of short excerpts of text and certain other types of material is permitted, on a limited basis, for the purposes of criticism and review without obtaining formal permission. However, if you, as the author, require any material for which you do not hold the copyright and that is not covered by this informal agreement, you must obtain written authorization from the copyright owner prior to submitting your manuscript.