1 Amsterdam UMC, Location Vrije Universiteit Amsterdam, Anesthesiology, De Boelelaan 1117, Amsterdam, Netherlands; Amsterdam UMC, Trauma Center North-West Netherlands, Helicopter Emergency Medical Service Lifeliner 1, De Boelelaan 1117, Amsterdam, Netherlands.
2 Amsterdam UMC, Location University of Amsterdam, Anesthesiology, Meibergdreef 9, Amsterdam, Netherlands; Amsterdam UMC, Trauma Center North-West Netherlands, Helicopter Emergency Medical Service Lifeliner 1, De Boelelaan 1117, Amsterdam, Netherlands.
3 Amsterdam UMC, Location Vrije Universiteit Amsterdam, Anesthesiology, De Boelelaan 1117, Amsterdam, Netherlands; Amsterdam UMC, Trauma Center North-West Netherlands, Helicopter Emergency Medical Service Lifeliner 1, De Boelelaan 1117, Amsterdam, Netherlands. Electronic address: L.Schwarte@AmsterdamUMC.nl.