Odense University Hospital, Odense, Denmark
CHU La Timone, Marseille, France
Aarhus University Hospital, Aarhus, Denmark
Hokkaido Social Insurance Hospital, Sapporo-shi, Hokkaido, Japan
Hoshi General Hospital, Koriyama-shi, Fukushima-ken, Japan
Kokura Memorial Hospital, Kitakyushu-shi, Fukuoka-ken, Japan
Owensboro Mercy Health System, Owensboro, Kentucky, United States
Center For Cardiac Arrhythmias, Houston, Texas, United States
Baylor University Medical Center, Dallas, Texas, United States
University of Southern California, Los Angeles, California, United States
CMCA / Sequoia Hospital, Redwood City, California, United States
University of Chicago, Chicago, Illinois, United States
Mayo Clinic Arizona, Phoenix, Arizona, United States
Michigan Head Pain & Neurological Institute, Ann Arbor, Michigan, United States
Upper Silezian Medical Center SAM Ul Ziolowa 45/47, Katowice, Poland
Medical University of Lodz, Lodz, Poland
Universitätsklinikum Essen, Essen, Germany
Geisinger Medical Center, Danville, Pennsylvania, United States
Orthopedic Research Foundation, Savannah, Georgia, United States
The University of Illinois Medical Center, Chicago, Illinois, United States
Nebraska Heart Institute, Lincoln, Nebraska, United States
University of Pittsburgh Medical Center, Cardiac Electrophysiology, Pittsburgh, Pennsylvania, United States
Virginia Commonwealth University Health System, Medical College of Virginia, MCV Physicians and Hospitals, Richmond, Virginia, United States
Clinica Alemana de Santiago, Santiago, Chile
Asian Institute of Gastroenterology, Hyderabad, India
MUHC - McGill University, Montreal, Quebec, Canada