Articles relating to musculoskeletal pain in children or adolescents.

Some measure of disability, function or quality of life must be included.

Articles using or referring to an identifiable questionnaire.

Articles must be written in English, German, Swedish, Norwegian or Danish.

Articles relating to adults.

Articles relating to athletes, musicians or other specific groups.

Articles based on disabled children or children with systemic diseases.

Outcomes not measuring function or physical limitations.