Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (B.J. Park, K.A. Wannemuehler); University of Alabama at Birmingham Medical Center, Birmingham, Alabama, USA (P.G. Pappas, J.W. Baddley); Duke University Medical Center, Durham, North Carolina, USA (B.D. Alexander); University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA (E.J. Anaissie); University of Wisconsin–Madison, Madison, Wisconsin, USA (D.R. Andes); Stanford University School of Medicine, Stanford, California, USA (J.M. Brown); Mayo Clinic, Jacksonville, Florida, USA (L.M. Brumble); University of Nebraska Medical Center, Omaha, Nebraska, USA (A.G. Freifeld); Tufts Medical Center, Boston, Massachusetts, USA (S. Hadley); University of Iowa Hospital, Iowa City, Iowa, USA (L. Herwaldt); City of Hope National Medical Center, Duarte, California, USA (J.I. Ito); University of Michigan, Ann Arbor, Michigan, USA (C.A. Kauffman); Veterans Affairs Ann Arbor Healthcare System–Medicine, Ann Arbor (C.A. Kauffman); Emory University School of Medicine, Atlanta (G.M. Lyon); Johns Hopkins Medical Institutions, Baltimore, Maryland, USA (K.A. Marr, T.M. Perl); Fred Hutchinson Cancer Research Center, Seattle, Washington, USA (K.A. Marr); University of Minnesota, Minneapolis, Minnesota, USA (V.A. Morrison); Veterans Affairs Medical Center, Minneapolis (V.A. Morrison); Memorial Sloan Kettering Cancer Center, New York, New York, USA (G. Papanicolaou); University of Texas Health Sciences Center, San Antonio, Texas, USA (T.F. Patterson); South Texas Veterans Healthcare System, San Antonio (T.F. Patterson); Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania, USA (M.G. Schuster); Mayo Clinic, Rochester, Minnesota, USA (R. Walker); University of Florida, Gainesville, Florida, USA (J.R. Wingard); National Institutes of Health, Bethesda, Maryland, USA (T.J. Walsh); MD Anderson Cancer Center, Houston, Texas, USA (D.P. Kontoyiannis)