The editorial group responsible for this previously published document have withdrawn it from publication.
Reason for withdrawal
The original authors of this review are unable to update it. The Cochrane Pain, Palliative and Supportive Care Review Group (PaPaS) is seeking new authors to update and split the review into two separate reviews on young children (< 12 years) and adolescents (12-17 years). If you are interested, please contact the Managing Editor of PaPaS (contact details provided under 'Contact Person').
At July 2014, this review has been withdrawn. This review is out of date although it is correct as of the date of publication. The latest version is available in the ‘Other versions’ tab on The Cochrane Library, and may still be useful to readers. To view the published versions of this article, please click the 'Other versions' tab.
Last assessed as up-to-date: 31 December 2002.
Protocol first published: Issue 4, 2000
Review first published: Issue 4, 2003
Sources of support
- No sources of support supplied
- International Headache Society (for administrative costs associated with editorial review and peer review), Other.