Karolinska University Hospital, Stockholm, Sweden
Michigan Vascular Center, Flint, Michigan, United States
Deborah Heart and Lung Center, Browns Mills, New Jersey, United States
Baylor College of Medicine, Houston, Texas, United States
Columbia University Medical Center/NYPH, New York, New York, United States
A.Z. St. Blasius Hospital, Dendermonde, Belgium
Imelda Hosptial, Bonheiden, Belgium
Franziskus-Hospital Berlin, Berlin, Germany
NC Heart and Vascular Research - WakeMed Raleigh, Raleigh, North Carolina, United States
Yuma Regional Medical Center, Yuma, Arizona, United States
Central Arkansas Veteran's Healthcare System, Little Rock, Arkansas, United States
Medizinische Universitat Graz, Graz, Austria
Italian Hospital (Final treatment hospital and all follow-up), Asunción, Paraguay
Santa Clara Medical Center (initial treatment hospital), Asunción, Paraguay
Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, United States
Radboud University Nijmegen Medical Center, Nijmegen, Netherlands
Patrick Peeters, MD, Bonheiden, Belgium