The introduction of the review report should provide explicit and comprehensive information regarding the justification (rationale) for the conduct of the review in the context of what was already known. Ideally, this section of the review report should be a revised, expanded, version of the introductory section from the review protocol. See Section 3.2.3 from the review protocol for further information regarding the content of the introduction.
The introduction should conclude with an overarching review objective that captures and aligns with the core elements/mnemonic of the inclusion criteria (e.g. PICO). The stated objective should clearly indicate what the review project is trying to achieve. Vancouver style of referencing should be used throughout the protocol with superscript numbers without brackets, used for in-text citations.