Which of the following in not a mechanism of political collaboration?

WHO

Asignificant political development which is accompanying globalisation is the growth of international and regional mechanisms for political collaboration. The European Union (EU), the Association of South East Asian Nations (ASEAN), South Asian Regional Conference (SARC) and more recently South Asian Federation of Trade Association (SAFTA) are just some of the examples that indicate the greater role of regional associations.

WHO is not a political collaboration.