Fig. 1From: A simulation-based randomized trial of ABCDE style cognitive aid for emergency medical services CHecklist In Prehospital Settings: the CHIPS-studyFlow chart of data collection in the CHIPS study. EMS: emergency medical services, HSC: Human Simulation Center, CHIPS: Checklist in prehospital settings, ROSC: Return of spontaneous circulation, BLS: Basic Life Support, NEF: Notarzteinsatzfahrzeug (emergency vehicle)Back to article page