2. The correspondent of this paper is the person in charge and the beneficiary of this achievement. In this case, if the research results involve a patent, then the patent belongs to the communication author or unit. Because the correspondent generally refers to the person in charge of the whole project, who undertakes the funding, design and writing of the article. He is also a contact person for articles and research materials. Most importantly, he is responsible for the reliability of the article.
3. 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).