Late proofs may cause a paper to be delayed to a subsequent issue. Reprints are ordered from the printer on forms provided with proofs. Authors should keep the journal office informed of their current address, telephone number, fax number, and electronic-mail address. Those whose names appear as authors should have played a significant role in designing or carrying out the research, writing the manuscript, or providing extensive guidance to the execution of the project. They should be able to present and defend the work in a public forum.
Honorary authorship is to be avoided.
Those whose role is limited to providing materials, financial support, or review should be recognized in the acknowledgments section of the paper.