...
GHO Metadata link: http://apps.who.int/gho/data/node.metadata, list of metadata items as XML: http://apps.who.int/gho/athena/data/
GHO Codelist example of item "Action area": http://apps.who.int/gho/data/node.metadata.ALCACTIONAREA?lang=en (also available as XML and JSON as a download, http://apps.who.int/gho/athena/data/GBDCHILDCAUSES.xml, http://apps.who.int/gho/athena/data/GBDCHILDCAUSES.json)
We can use the existing WHO queries as an approximation. The queries can be customised and made through the API.
Related XML Schema available at: http://converters.eionet.europa.eu/schemas/620 (broken!)
Diagram of reengineered GHO XML Schema (on the basis of the XML downloads).
Default is XML. Likely to be the most reliable of the formats.
...