1. Thames Valley Air Ambulance, Stokenchurch Oxfordshire UK
2. Oxford Haemophilia & Thrombosis Centre, Department of Haematology, Oxford University Hospitals NHS TrustChurchill Hospital Oxford UK
3. Blood Theme, Oxford Centre for HaematologyNIHR BRC Oxford UK
4. Registrar in Emergency Medicine, Defence Deanery UK
5. Registrar in Pre‐Hospital Emergency Medicine Thames Valley Air Ambulance Oxfordshire UK
6. Research and Audit Lead, Thames Valley Air Ambulance Oxfordshire UK
7. Anaesthesia and Pre‐Hospital Emergency Medicine, University Hospitals Coventry and Warwickshire NHS Trust