[Editorial].
Andresen
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D016757:Death, Sudden, Cardiac / Q000517:prevention & control*; D017147:Defibrillators, Implantable / Q000639:trends*; D004554:Electric Countershock / Q000639:trends*; D005858:Germany; D006333:Heart Failure / Q000517:prevention & control*; D006801:Humans; D055502:Secondary Prevention / Q000639:trends*