1. Centre for Biologics Evaluation, Biologics and Radiopharmaceutical Drugs Directorate, HPFB, Health Canada and WHO Collaborating Centre for Standardization and Evaluation of Biologicals, Ottawa, ON, Canada
2. Department of Biochemistry, Microbiology and Immunology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada
3. National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg, MB, Canada
4. National Research Council of Canada, Human Health Therapeutics, Ottawa, ON, Canada
5. Department of Biochemistry & Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
6. National Institute for Food and Drug Control and WHO Collaborating Center for Standardization and Evaluation of Biologicals, Beijing, People’s Republic of China