The purpose of peer review is not to demonstrate the reviewer’s proficiency in identifying flaws; negative critiques are not obligated. Reviewers should identify strengths and provide constructive comments to help authors resolve weaknesses in the work. (4/n)

Suggestions that are beyond the scope of the current work and should be considered for future research should be explicitly stated as such. Reviewers should respect the intellectual independence of authors and avoid personal remarks in the review. (5/n)