the peer review process is the dominant system adopted in science to evaluate the quality of articles submitted for publication. various social players are involved in this process, including authors, editors and reviewers. much has been discussed about the need to improve the scientific quality of what is published. the main focus of these discussions has been the work of the authors. however, the editors and reviewers also fulfill an important role. in this opinion article, we discuss some proposals to improve the peer review system, emphasizing the role of reviewers and editors.