Evaluation of structured feedback provision from a cardiac arrest centre to helicopter emergency medical service personnel: implementation metrics and clinician-perceived learning

• Marco MionBasildon Hospital
• Rupert FG SimpsonBasildon Hospital
• Adam Pitcairn
• Gareth Grier
• Uzma SajjadBasildon Hospital
• Sinéad KeaneEast of England Ambulance Service NHS Trust
• Gui MovioBasildon Hospital
• Thomas R KeebleBasildon Hospital
• Matthew SnowsillRoyal Free London NHS Foundation Trust