Table 1.

Search strategy for PubMed.

Query	Search terms
#1	“Ataxia” [MeSH Terms] OR “Cerebellar Ataxia” [MeSH Terms] OR “Spinocerebellar Ataxias” [MeSH Terms]
#2	“Ataxia” [Title/Abstract] OR “Cerebellar Ataxia” [Title/Abstract] OR “Spinocerebellar Ataxias” [Title/Abstract] OR “Cerebellar diseases” [Title/Abstract] OR “Cerebellar dysfunction” [Title/Abstract] OR “Cerebellar degeneration” [Title/Abstract] OR “Syndrome cerebellar” [Title/Abstract] OR “Cerebellum disease” [Title/Abstract] OR “Spinocerebellar diseases” [Title/Abstract] OR “Spinocerebellar degeneration” [Title/Abstract]
#3	#1 OR #2
#4	“Transcranial Magnetic Stimulation” [MeSH Terms]
#5	“Transcranial Magnetic Stimulation” [Title/Abstract] OR “Repetitive transcranial magnetic stimulation” [Title/Abstract] OR “rTMS” [Title/Abstract]
#6	#4 OR #5
#7	(“Randomized controlled trial” [Publication Type] OR “Controlled clinical trial” [Publication Type] OR “Randomized” [Title/Abstract] OR “Placebo” [Title/Abstract] OR “Clinical trials as topic” [MeSH Terms] OR “Randomly” [Title/Abstract] OR “Trial” [Title]) NOT (“Animals” [MeSH Terms] NOT “Humans” [MeSH Terms])
#8	#3 AND #6 AND #7