Subarachnoid Hemorrhage

• ASST Ospedale Papa Giovanni XXIII — Bergamo, Italy
• IRCCS Bellaria — Bologna, Italy
• Azienda Ospedaliera Spedali Civili — Brescia, Italy
• Ospedale Vito Fazzi — Lecce, Italy

• Beijing Tiantan Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• Beijing Anzhen Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• Beijing Chaoyang Hospital, Capital Medical University — Beijing, Beijing Municipality, China
• Chinese People's Liberation Army (PLA) General Hospital — Beijing, Beijing Municipality, China

• Kantonsspital Aarau — Aarau, Canton of Aargau, Switzerland
• Geneva University Hospital — Geneva, Canton of Geneva, Switzerland
• Kantonsspital St. Gallen — Sankt Gallen, Canton of St. Gallen, Switzerland
• University Hospital Basel — Basel, Switzerland

• Beijing Tiantan Hospital — Beijing, Beijing Municipality, China
• Department of Neurosurgery, Beijing Tiantan Hospital — Beijing, Beijing Municipality, China

• The University of Alabama at Birmingham — Birmingham, Alabama, United States

• GH Pellegrin — Bordeaux, France
• Gui de Chauliac Hospital - Montpellier University Hospital — Montpellier, France
• Nord Laennec Hospital - Nantes University Hospital — Nantes, France
• Fondation Adolphe de Rothschild Hospital — Paris, France

Not specified

• Service de Neuroradiologie - Hôpital Lariboisière - APHP Nord — Paris, Île-de-France Region, France

Not specified

Not specified