1. Health Sciences Center Institute of Microbiology Paulo de Góes Federal University of Rio de Janeiro Rio de Janeiro RJ Brazil
2. Laboratory of Diphtheria and Corynebacteria of Clinical Relevance Faculty of Medical Sciences University of the State of Rio de Janeiro Rio de Janeiro RJ Brazil
3. The Collaborating Centre for Reference and Research on Diphtheria/National Health Foundation/Ministry of Health Rio de Janeiro RJ Brazil
4. Laboratory of Clinical Research and Molecular Diagnostic Prof. Marcílio Dias do Nascimento Department of Clinical Practice and Pathology Fluminense Federal University Niterói RJ Brazil
5. Laboratory Bacterial Vaccines Department of Immunology National Institute for Quality Control in HealthOswaldo Cruz Foundation Rio de Janeiro RJ Brazil
6. Institute of Science and Technology in Biomodels Oswaldo Cruz Foundation Rio de Janeiro RJ Brazil
7. Institute of Biology Federal Fluminense University Niterói RJ Brazil
8. Biomedical Center College of Medical Sciences University of the State of Rio de Janeiro Rio de Janeiro RJ Brazil