1. Division of Infectious Diseases, The Lundquist Institute at Harbor-UCLA Medical Center, 1124 West Carson St. MRL Bldg. Room 224, Torrance, CA 90502, USA
2. The David Geffen School of Medicine, University of California, Los Angeles (UCLA), Los Angeles, CA 90095, USA
3. Center for Infectious Diseases, Houston Methodist Research Institute, Houston, TX 77030, USA
4. Division of Infectious Diseases, Department of Medicine, Houston Methodist Hospital, Houston, TX 77030, USA
5. Department of Medicine, Weill-Cornell Medical College, New York, NY 10065, USA
6. Infectious Diseases Service, Hospital Clinic—IDIBAPS, University of Barcelona, 08036 Barcelona, Spain
7. CIBERINFEC, Instituto de Salud Carlos III, 28220 Madrid, Spain
8. The Department of Medicine, University of Wisconsin School of Medicine, Madison, WI 53705, USA