How to write a peer review to improve scholarship: Do unto others as you would wish them do unto you.

In academia, peer review functions as a quality-assurance mechanism which also aims to improve the scientific process as a whole. But few reviewers are provided with any training or mentoring on how to undertake a review. Hugh McLaughlin offers clarification on the process and the objective of peer review feedback and stresses the need for specific critical analysis for authors, which should be done in a supportive manner.