Acute Aortic Syndrome

• Janssen Investigative Site — Titusville, New Jersey, United States

• Fuwai hospital, Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China
• Chinese PLA General Hospita — Beijing, Beijing Municipality, China
• The Frist Hospital of Lanzhou University — Lanzhou, Gansu, China
• LIU ZHOU WORKER'S HOSPITAL,Fourth Affiliated Hospital of Guangxi Medical University — Liuzhou, Guangxi, China

• Oslo University Hospital — Oslo, Norway

• Cedars-Sinai Medical Center — Los Angeles, California, United States
• Lucile Packard Children's Hospital — Palo Alto, California, United States
• Rady Children's Hospital / UCSD — San Diego, California, United States
• Stanford University School of Medicine — Stanford, California, United States

• Assiut university — Asyut, Asyut Governorate, Egypt

• Hôpital Cardio-Vasculaire et Pneumologique Louis Pradel - HCL — Bron, France
• CHU de Créteil - Hôpital Henri Mondor — Créteil, France
• Hôpital Edouard Herriot - HCL — Lyon, France
• Hôpital Européen Georges Pompidou — Paris, France

• Centre Hospitalier Universitaire de Besancon — Besançon, France

• AZ St-Jan — Bruges, Belgium
• Saint-Luc's Hospital — Brussels, Belgium
• University Hospital Antwerp — Edegem, Belgium
• Ziekenhuis Oost-Limburg — Genk, Belgium

• The first affiliated hospital of nanjing medical university — Nanjing, Jiangsu, China

Not specified