TABLE 6.

Participating laboratories and assay formats^a

Institution name	Location	OPA format	Assay reference
Ewha Womans University	Seoul, South Korea	MOPA	12
GSK Vaccines	Rixensart, Belgium	Singleplex	11
Lanzhou Institute of Biological Products	Lanzhou, China	MOPA	12
Pfizer Vaccine Research	Pearl River, NY, USA	Singleplex	17
UCL Institute of Child Health	London, England	MOPA	12
University of Alabama at Birmingham	Birmingham, AL, USA	MOPA	12

^aThe affiliation and location of each participating laboratory are indicated. The assay format (including reference) utilized is also indicated. Note that the laboratories are listed here alphabetically and this order is not associated with the letter designations (A to F) utilized throughout this article.