Editors choose reviewers that are willing to work, have Integrity, commitments, adhere to the all the rules and good experties field match with the manuscript and have to avoid conflicts of interest.
Anonymity peer review systems.
Peer review was carried out as a form of scientific work evaluation in order to maintain its quality and scientific integrity.
Review should be objective and impartiality and avoid exclusive private.
It must be the secret review (blind review)
No direct contact with author
The comment must be polite and able to withstand public oversight.