Correspondents generally refer to the person in charge of the whole project, who is responsible for the funding, design and writing of articles. He is also a contact person for articles and research materials. Most importantly, he is responsible for the reliability of the article.

The first author is generally the researcher who has made the greatest contribution to this work. This author not only has the most important charts (that is, physical contributions), but also is the author of the first draft of the article (that is, the contribution of intelligence to this article).

From the perspective of intellectual property rights, the research results can be regarded as those of the communication author.