Pulmonary Embolism

• Azienda Ospedaliero Universitaria Careggi, Emergency Department — Florence, Italy
• Presidio Ospedaliero Livorno — Livorno, Italy
• Azienda ospedaliera universitaria San Giovanni Battista (Molinette) — Torino, Italy
• Respiratory Department and Medicine Department, Ramón y Cajal Hospital and Alcalá de Henares University — Madrid, Spain

• San Francisco General Hospital — San Francisco, California, United States

• Departement of pneumology, CHU Saint-Etienne — Saint-Etienne, France
• Department of Medicine and Therapeutic, CHU Saint-Etienne — Saint-Etienne, France

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Brigham and Women's Hospital — Boston, Massachusetts, United States

• Emory University — Atlanta, Georgia, United States
• Divison of Lung Diseases, NHLBI — Bethesda, Maryland, United States
• Data Coordinating Center — Rockville, Maryland, United States
• Massachusetts General Hospital — Boston, Massachusetts, United States

Not specified

• Holy Name Hospital — Teaneck, New Jersey, United States
• Mt. Sinai Hospital — Manhattan, New York, United States
• Montefiore Medical Center — The Bronx, New York, United States
• University Hospital Vienna — Vienna, Austria

• Clinica las Americas — Medellín, Antioquia, Colombia
• Hospital Pablo Tobon Uribe — Medellín, Antioquia, Colombia

• William Beaumont Hospital-Royal Oak — Royal Oak, Michigan, United States

• Emergency Department Azienda Ospedaliera Universitaria Careggi — Florence, Tuscany, Italy
• Department of Emergency Medicine, Pierantoni Morgagni Hospital — Forlì, Italy
• Department of Emergency Medicine, San Luigi Gonzaga University Hospital — Torino, Italy