Ambulance Rotterdam-Rijnmond, Barendrecht, the Netherlands (Ms van der Waarden); Evidence Based Practice in Health Care AMC-UvA, Amsterdam, the Netherlands (Mr de Wolf); Emergency Department, Albert Schweitzer Hospital, Dordrecht, the Netherlands (Dr van Meerten); and Emergency Department, Franciscus & Vlietland Hospital, Rotterdam, the Netherlands (Dr Backus).

Corresponding Author: Nancy W. P. L. van der Waarden, MSc, Emergency, Ambulance Rotterdam-Rijnmond, Breslau 2, 2993LT Barendrecht, the Netherlands ([email protected]).

Disclosure: The authors report no conflicts of interest.