1. Division of Infectious Diseases, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA
2. Jesse Brown VA Medical Center, Chicago, Illinois, USA
3. Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts, USA
4. Harvard Medical School, Boston, Massachusetts, USA
5. Pediatric Infectious Diseases, Children’s Hospital at Montefiore, Einstein College of Medicine, Bronx, New York, USA
6. Division of Pediatric Infectious Disease, University of Arkansas for Medical Sciences, College of Medicine, Department of Pediatrics, Little Rock, Arkansas, USA
7. Infectious Diseases Physicians, Inc, Annandale, Virginia, USA
8. Virginia Commonwealth University, Division of Infectious Diseases, Inova Fairfax Medical Campus, Annandale, Virginia, USA