[1
]
Columbia University Medical Center/New York Presbyterian Hospital and the Cardiovascular
Research Foundation, New York, New York.
[2
]
Wake Medical Center, Raleigh, North Carolina.
[3
]
St. Patrick Hospital, Missoula, Montana.
[4
]
The Heart Center of Indiana, Indianapolis, Indiana.
[5
]
Duke Clinical Research Institute, Durham, North Carolina.
[6
]
Harvard Clinical Research Institute, Boston, Massachusetts.
[7
]
Abbott Vascular, Santa Clara, California.
[8
]
Columbia University Medical Center/New York Presbyterian Hospital and the Cardiovascular
Research Foundation, New York, New York. Electronic address: gs2184@columbia.edu.