1. Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil;
2. Division of Signaling and Gene Expression, La Jolla Institute, San Diego, California, USA;
3. Sanford Consortium for Regenerative Medicine, La Jolla, California, USA;
4. Department of Pharmacology and Moores Cancer Center, University of California, San Diego, La Jolla, California, USA; and
5. Department of Microbiology and Immunology, Rosalind Franklin University of Medicine and Science, Chicago Medical School, North Chicago, Illinois, USA