Table 1.

Bibliographical searches in each database.

Databases	Search Strategy
PubMed MEDLINE	(cerebral palsy[mh] OR cerebral palsy[tiab]) AND (virtual reality[mh] OR virtual reality[tiab] OR nintendo wii[tiab] OR wii[tiab] OR wii fit[tiab] OR wii balance board[tiab]) AND (upper extremity[mh] OR arm[mh] OR hand[mh] OR elbow[mh] OR wrist[mh] OR shoulder[mh] OR upper extremity[tiab] OR upper limb[tiab] OR arm[tiab] OR hand[tiab] OR elbow[tiab] OR shoulder[tiab] OR wrist[tiab])
Scopus	(TITLE-ABS-KEY (“cerebral palsy”) AND TITLE-ABS-KEY (“nintendo wii” OR “wii” OR “wii fit” OR “wii balance board” OR “virtual reality”) AND TITLE-ABS-KEY (“upper extremity” OR “upper limb” OR “arm” OR “hand” OR “elbow” OR “shoulder” OR “wrist”))
Web of Science	TOPIC:((cerebral palsy)) AND TOPIC:((nintendo wii OR wii OR wii fit OR wii balance board OR virtual reality)) AND TOPIC:((upper limb OR upper extremity OR arm OR hand OR elbow OR shoulder OR wrist))
PEDro	cerebral palsy, virtual reality
CINHAL Complete	(AB cerebral palsy) AND (AB virtual reality OR nintendo wii OR wii OR wii fit OR wii balance board) AND (AB upper extremity OR upper limb OR arm OR hand OR elbow OR shoulder OR wrist)