[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.