1-you have to explain how i can research for this topic by protocol literature review.
2-select 6 studies or article from 2010 to 2015 and describe how i can research for them by systemic literature review.
3-you have to mention for PICO
4-I will upload all files needed
5-Please follow the Guideline step by step and you can see the example
6-a lot of references from UK or Europe