Fig. 2From: Unmanned aerial vehicles (drones) in out-of-hospital-cardiac-arrestSuitable placement of UAV in an urban setting using a 50/50 weighting. Optimal placement of UAV, using a 50/50 weighting alternative. OHCA cases n = 3,041 between 2006–2013 in Stockholm County within a 10 km radius of point from optimal placement of UAV. Location #10 coincides with location #1 and was therefore excluded from visualisation in this figureBack to article page