How to Read a Systematic Review  Systematic Reviews and if included meta-analyse

How to Read a Systematic Review 
Systematic Reviews and if included meta-analyses are in-depth reviews of a specific clinical question.  The systematic review contains the narrative portion and the meta-analysis contains the data and graphs portion. Quality systematic reviews follow a strict set of criteria for creation.
Instructions:
Watch the video. https://youtu.be/Gv5ku0eoY6k
Read the article The Role of Vitamin D in the Age of COVID‐19.pdf
Using the systematic review article linked above to identify the following (You may copy and paste the information):

The research question (s).
The population (Clear inclusion/ exclusion criteria).
Intervention (s).
Specific outcomes 
An explicit search strategy
Results
The synthesis (the most important part)
Conclusions and recommendations
Use of statistics (meta-analysis).
Limitations