Affiliations

• ¹ Emergency Department, Hospital Clínic, Barcelona, Spain.
• ² Medical School, University of Barcelona, Spain.
• ³ Emergency Department, Consorci Hospitalari de Terrassa, Barcelona, Spain.
• ⁴ Emergency Department, Hospital Clínico San Carlos, Madrid, Universidad Complutense de Madrid, Spain.
• ⁵ Emergency Department, Home Hospitalization and Short Stay Unit, Hospital General de Alicante, Alicante, Spain.
• ⁶ Emergency Department, Hospital Universitario Central de Asturias, Oviedo, Spain.
• ⁷ Department of Anesthesiology and Critical Care Medicine, Hospital Lariboisière-Saint Louis, Université Paris Diderot, Paris, France.
• ⁸ Emergency Medicine, Helsinki University, Department of Emergency Medicine and Services, Helsinki University Hospital, Helsinki, Finland.
• ⁹ Laboratory of Biostatistics & Epidemiology, Universitat Autonoma de Barcelona, Medical Statistics Core Facility, IDIBAPS, Hospital Clinic, Barcelona, Spain.
• ¹⁰ Department of Emergency Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
• ¹¹ Department of Emergency Medicine, Baylor College of Medicine, Houston, TX, USA.
• ¹² Department of Emergency Medicine, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, USA.
• ¹³ Emergency Department, Hospital el Tajo, Aranjuez, Madrid, Spain.
• ¹⁴ Emergency Department, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.