Database	Search Strategy
Medline/Pubmed	(Parkinson Disease (MeSH) OR Parkinson OR Parkinson’s Disease) AND (Aquatic Therapy (MeSH) OR Aquatic Exercise Therapy OR Water Exercise Therapy OR Ai Chi Therapy)
Scopus	(TITLE-ABS-KEY (“parkinson disease” OR Parkinson OR “Parkinson’s Disease”) AND TITLE-ABS-KEY (“Aquatic Therapy” OR “Aquatic Exercise Therapy” OR “Water Exercise Therapy” OR “ai chi therapy”))
Web of Science	Parkinson Disease (topic) AND Aquatic Therapy (Topic)
PEDro	Parkinson disease AND hydrotherapy, balneotherapy
CINAHL	(Parkinson disease OR Parkinson OR Parkinson’s Disease) AND (Aquatic therapy OR Aquatic Exercise Therapy OR Water Exercise Therapy OR ai chi therapy)
Cochrane	Parkinson Disease AND Aquatic Therapy