[1
]Section of Infectious Diseases, Providence Regional Medical Center Everett, Everett,
Washington
[2
]Providence Research Network, Renton, Washington
[3
]Medical Intensive Care Unit, Providence Regional Medical Center Everett, Everett,
Washington
[4
]Department of Infection Prevention and Control, Providence Regional Medical Center
Everett, Everett, Washington
[5
]Office of Clinical Research, Providence Health and Services, Southern California Region,
Los Angeles