1. Universidad de Chile, Santiago, Chile
2. Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
3. University of Technology Sydney, Sydney, New South Wales, Australia
4. Centers for Disease Control and Prevention (CDC), Atlanta, Georgia, USA
5. University of Minnesota, St. Paul, Minnesota, USA
6. Department of Pathology and Experimental Medicine, School of Medicine, Emory University, Atlanta, Georgia, USA
7. Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA