[1
]National Personal Protective Technology Laboratory, National Institute for Occupational
Safety and Health, Centers for Disease Control and Prevention, Pittsburgh, Pennsylvania
[2
]Veterans Affairs New York Harbor Healthcare System, New York
[3
]New York University School of Medicine, New York
[4
]Veterans Affairs Eastern Colorado Healthcare System, Denver
[5
]University of Colorado School of Medicine, Aurora
[6
]University of Massachusetts, Amherst
[7
]University of Florida, Gainesville
[8
]Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
[9
]Johns Hopkins School of Medicine, Baltimore, Maryland
[10
]Weill Cornell Medicine, New York, New York
[11
]Veterans Affairs Medical Center, Washington, DC
[12
]George Washington University School of Medical and Health Sciences, Washington, DC
[13
]Veterans Affairs St Louis Healthcare System, St Louis, Missouri
[14
]St Louis University School of Medicine, St Louis, Missouri
[15
]Children’s Hospital Colorado, Aurora
[16
]Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas
[17
]Baylor College of Medicine, Houston, Texas
[18
]Denver Health Medical Center, Denver, Colorado
[19
]University of Texas Southwestern Medical Center, Dallas