Table 1.

Search strategy used in each database.

Databases	Search Strategy
PubMed Medline	(fibromyalgia[mh] OR fibromyalgia[tiab] OR fibromyalgia syndrome[tiab] OR fibromyalgia*[tiab] OR chronic, fatigue syndrome[tiab]) AND (virtual reality[mh] OR virtual reality[tiab] OR virtual reality exposure therapy[mh] OR virtual reality exposure therapy[tiab] OR exergam*)
Web of Science	TOPIC: (*fibromyalgia* OR *chronic, fatigue syndrome*) AND TOPIC: (*virtual reality* OR *exergame*)
SCOPUS	(TITLE-ABS-KEY (“fibromyalgia” OR “fibromyalgia syndrome” OR “chronic fatigue syndrome”) AND TITLE-ABS-KEY (“virtual reality” OR “exercises” OR “videogames”))
PEDro	Fibromyalgia AND virtual reality Fibromyalgia AND exergames
CINAHL Complete	AB (fibromyalgia OR fibromyalgia syndrome OR chronic fatigue syndrome) AND AB (virtual reality OR exergames OR videogames)