1. Division of Infectious Diseases, The Lundquist Institute at Harbor-UCLA Medical Center, Torrance, California, USA
2. The David Geffen School of Medicine, University of California, Los Angeles, California, USA
3. Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
4. Department of Medical Microbiology & Immunology, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
5. Anti-Infective Research Laboratory, Eugene Applebaum College of Pharmacy and Health Sciences, Detroit, Michigan, USA
6. School of Medicine, Wayne State University, Detroit, Michigan, USA
7. Hospital Clinic, Institut d' Investigacions Biomèdiques August Pi, iSunyer, University of Barcelona, Barcelona, Spain
8. CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain