[1
]Mount Sinai School of Medicine, New York City, New York2St John’s Health Center, Santa
Monica, California3Homolka Hospital, Prague, Czech Republic
[2
]Cardiovascular Center Frankfurt, Sankt Katharinen, Frankfurt, Germany
[3
]Mount Sinai School of Medicine, New York City, New York
[4
]St John’s Health Center, Santa Monica, California
[5
]Foundation for Cardiovascular Medicine, La Jolla, California
[6
]Homolka Hospital, Prague, Czech Republic
[7
]St Luke’s Hospital, Kansas City, Missouri
[8
]Intermountain Medical Center, Murray, Utah
[9
]Cedars Sinai Medical Center, Los Angeles, California
[10
]Arizona Heart Rhythm Center, Scottsdale
[11
]Boston Scientific, St Paul, Minnesota
[12
]Mayo Clinic College of Medicine, Rochester, Minnesota