B06 What is the best location for a defibrillator to improve OHCA coverage?. (June 2022) - Brown, Terry P; Perkins, Gavin D; Rosser, Andy; Lumley-Holmes, Jenny; Arvanitis, Theodoros N.; Siriwardena, Niro; Clegg, Gareth; Andronis, Lazaros; Deakin, Charles; Mapstone, James