[1
]
Department of Cardiovascular Surgery, Methodist DeBakey Heart Center, Houston Methodist
Hospital, Houston, Texas. Electronic address: gmlawrie@att.net.
[2
]
Department of Cardiology, Methodist DeBakey Heart Center, Houston Methodist Hospital,
Houston, Texas.
[3
]
Department of Cardiovascular Surgery, Methodist DeBakey Heart Center, Houston Methodist
Hospital, Houston, Texas.