How common is depression in Tourette syndrome?

How common is depression in Tourette syndrome?

Please write a 1500 word assignment .The assignment should be in systematic review style and follow the PRISMA guidelines.

It should contain the following elements;

1-A brief introduction to the clinical condition
2-A clear, replicable strategy for searching the scientific 
literature.
3-Clearly and precisely stated criteria for acceptance or 
rejection of a study for review.
4-A presentation and summary of the main data from the 
studies you accepted for review.
5-A synthesis of the data, paying specific attention to 
any discrepancies in findings between researchers.
5-A conclusion with recommendations for further, 
realistic study