1 Chair BLS/AED Working Group, European Resuscitation Council Co-Chair of ILCOR and co-chair BLS/AED Task Force, UK. Electronic address: g.d.perkins@warwick.ac.uk.
2 Director of Guidelines, European Resuscitation Council, European Resuscitation Council VZW Emile Vanderveldelaan, 35 BE-2845 Niel, Belgium.