1. Department of Microbiology and Immunology, Albert Einstein College of Medicine, Yeshiva University, Bronx, New York, USA
2. Department of Cellular and Molecular Biology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
3. Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA