As regards the use of international food safety standards

As regards the use of international food safety standards as reference point for the dispute settlements, which one of the following does WTO collaborate with ?

1. International Organization for Standardization.
2. International Federation of Standards Users.
3. Codex Alimentarius Commission.
4. World Standards Cooperation

Collaboration between WTO and the Codex Alimentarius concerns the use of international food safety standards in the context of the SPS Agreement.