You can find BREAM user guides for reviewers here or take a look at the Frequently Asked Questions page on BREAM (see FAQ on the Help menu above). If these do not answer your question, please contact the BREAM Team at bream@brighton.ac.uk.
For further information on ethical issues, you may find the University's Guidance on issues in research ethics and Research Ethics Policy useful.
You can also find links to other sources of information on ethics here