Dr Nigar Kirmani MD, Professor of Medicine, Division of Infectious Diseases, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri. Dr Michael J Durkin MD, Assistant Professor of Medicine, Division of Infectious Diseases, Department of Internal Medicine, Washington University School of Medicine, St. Louis, Missouri. Dr Stephen Y. Liang, Assistant Professor of Medicine, Divisions of Infectious Diseases and Emergency Medicine, Department of Internal Medicine,Washington University School of Medicine, St. Louis, Missouri.