A. Why look for protocols or reviews?
B. Protocols of systematic reviews can be found:
1. PROSPERO: http://www.crd.york.ac.uk/prospero/
C. Protocols and systematic/scoping reviews can be found:
1. Cochrane Library: link to Cochrane library
3. JBI (Joanna Briggs Institute) EBP Database: link to JBI Library
4. Journal article databases.
For a quick search, look for "protocol," "scoping review" or "systematic review in the title