[1
]
Duke Clinical Research Institute, Durham, North Carolina.
[2
]
Carolinas Medical Center, Charlotte, North Carolina.
[3
]
Duke Clinical Research Institute, Durham, North Carolina3Center for Educational Excellence,
Durham, North Carolina.
[4
]
Wake County EMS, Raleigh, North Carolina.
[5
]
WFU Health Sciences, Winston-Salem, North Carolina.
[6
]
Duke Clinical Research Institute, Durham, North Carolina6Department of Community and
Family Medicine, Duke University, Durham, North Carolina.
[7
]
Duke Clinical Research Institute, Durham, North Carolina7The Heart Center, University
Hospital of Copenhagen, Rigshospitalet, Denmark.
[8
]
Nicholas School of the Environment, Duke University, Durham, North Carolina.
[9
]
Emory University School of Medicine, Atlanta, Georgia10Rollins School of Public Health,
Emory University, Atlanta, Georgia.