1. Torbay Hospital, Torbay and South Devon NHS Foundation Trust, Torquay, Devon, UK
2. Department of Emergency Medicine, ZNA Stuivenberg, Antwerp, Belgium
3. Institute of Cardiovascular Sciences, University of Birmingham
4. University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
5. SAMU 93-UF Recherche-Enseignement-Qualité, Inserm, U942, Avicenne Hospital, AP-HP, Paris-13 University, Bobigny, France
6. Translational and Clinical Research Institute, Newcastle University & NPIS (Newcastle), Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK