1. Emory University School of Medicine , Atlanta, Georgia , USA
2. Division of Infectious Diseases, Department of Medicine, Wake Forest University School of Medicine , Winston–Salem, North Carolina , USA
3. Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine , Atlanta, Georgia , USA
4. Division of Infectious Diseases, Department of Medicine, University of California , San Francisco, California , USA
5. Infectious Diseases Society of America , Arlington, Virginia , USA