The number of corresponding authors for SCI journal papers is not necessarily limited to one, as there is no fixed standard for how many there can be. Different SCI journals have different policies regarding the number of corresponding authors. For SCI journals that only allow one corresponding author, if a paper has multiple corresponding authors, the first corresponding author will be automatically selected. For SCI journals that allow two corresponding authors, two corresponding authors can be listed. The same applies for other requirements - the number of corresponding authors listed by the authors must comply with the regulations of the target SCI journal. The first author of an SCI paper is the person who has made the greatest contribution to the experiment and writing of the paper, and is the person whose name appears first in the author list. However, in cooperative work, it is common to have multiple first authors. There is no specific regulation on the number of co-first authors, as it depends greatly on the workload, length of the paper, publication requirements, and recognition by the institution. Generally, 2-4 first authors in an SCI paper is most common

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The corresponding author is the overall responsible person for the project, responsible for the project's funding, design, writing of articles, and quality control. They are responsible for communicating with journals during submission, peer review, and the entire publication process

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What is the corresponding author?

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How many corresponding authors/first authors can a journal have?

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