TABLE 1.

Questions of interest addressed

Research Question	Search Terms	Filters
What are the current recommendations regarding indications for genetic testing in PD and presymptomatic PD?	Parkinson* AND (“genetic test” OR “gene test” OR “genetic testing” OR “genetic screening” OR “genomic test” OR “mutation testing”) AND “english”[Language]	Human studies only, searches only title and abstracts
What are the genetic testing options for PwP and their families?	Parkinson* AND (“genetic test” OR “gene test” OR “genetic testing” OR “genetic screening” OR “genomic test” OR “mutation testing”) AND “english”[Language]	Human studies only, searches only title and abstracts
What are the different genes recommended for testing in different populations?	Parkinson* AND (“genetic test” OR “gene test” OR “genetic testing” OR “genetic screening” OR “genomic test” OR “mutation testing”) AND “english”[Language]	Human studies only, searches only title and abstracts
What are PwP's, their caregivers' and relatives', and clinicians' attitudes toward genetic testing? What are PwP's experiences with receiving PD genetic testing results?	Parkinson* AND (genetic* OR gene* OR genomic* OR mutation*) AND (attitude* OR “clinical practice”) AND “english”[Language]	Human studies only, searches only title and abstracts
What genetic counseling services are offered and available for individuals undergoing genetic testing?	Parkinson* AND (genetic* OR gene* OR genomic* OR mutation*) AND (counsel*) AND “english”[Language]	Human studies only, searches only title and abstracts

Abbreviations: PD, Parkinson's disease; PwP, persons with Parkinson's disease.