Acute Aortic Syndrome

• Beijing Fuwai Hospital Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China
• Chongqing Hospital of Jiangsu Provincial People's Hospital — Chongqing, Chongqing Municipality, China
• Guangdong Provincial People's Hospital — Guangzhou, Guangdong, China
• The First Affiliated Hospital of Guangxi Medical University — Nanning, Guangxi, China

• The First Affiliated Hospital of Guangzhou Medical University — Guangzhou, Guangdong, China
• The first affiliated hospital of nanjing medical university — Nanjing, Jiangsu, China
• Affiliated Hospital of Qingdao University — Qingdao, Shandong, China
• West China Hospital of Sichuan University — Chengdu, Sichuan, China

• The First Affiliated Hospital of Bengbu Medical College — Bengbu, Anhui, China
• Guangdong Provincial People's Hospital — Guangzhou, Guangdong, China
• The First Affiliated Hospital of Nanjing Medical University — Nanjing, Jiangsu, China
• Nanjing First Hospital Nanjing Medical University — Nanjing, Jiangsu, China

• Hospital Evangélico de Vila Velha — Vila Velha, Espírito Santo, Brazil
• Hospital Nossa Senhora da Conceição — Porto Alegre, Rio Grande do Sul, Brazil
• Hospital das Clínicas da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo — Ribeirão Preto, São Paulo, Brazil

• First Affiliated Hospital of Xi'an Jiaotong University — Xi'an, Shaanxi, China

• Prince of Wales Hospital — Shatin, Hong Kong

Not specified

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

• Heart Institute, University of Sao Paolo — São Paulo, Brazil
• Charitè Universitätsmedizin — Berlin, Germany
• Universitätsklinikum Jena, Unit Zentrale Notaufnahme — Jena, Germany
• A.O.U. Città della Salute e della Scienza di Torino, Ospedale Molinette, S.C. Medicina d'Urgenza U (MECAU) — Turin, Piedmont, Italy

• Hospital Universitario Virgen del Rocio — Seville, Andalusia, Spain
• Hospital Universitario Virgen del Rocio — Seville, Spain