1 Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA XDR Pathogen Laboratory, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA.
2 Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
3 Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
4 Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA XDR Pathogen Laboratory, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA.