1. The reviewer must maintain confidentiality of all documents in the review process.
2. The reviewer must not involve any conflicts of interest to the author; for example, the reviewer has collaborated with any author which may be unable to provide comments freely.
3. The reviewer must agree to do the review with the relevant area of expertise.
4. To avoid personal comments or criticism, the reviewer must do the review based on the provided criteria, i.e., the significance of the content, the clearness of the objective and the relevance as well as consistency of the article. The originality and the quality of the article must be assessed.
5. The reviewer may ask the author to add extra literature reviews or significant research papers that should be mentioned in the article.
6. If the plagiarism with adequate evidence is detected, the reviewer should decline to publish the article and notify the editor.