[Dear readers].
Butter
Christian
C
Israel
Carsten W
CW
D002304:Cardiac Pacing, Artificial / Q000639:trends*; D017147:Defibrillators, Implantable / Q000639:trends*; D004554:Electric Countershock / Q000639:trends*; D006333:Heart Failure / Q000517:prevention & control*; D006801:Humans; D018579:Patient Selection; D018487:Ventricular Dysfunction, Left / Q000517:prevention & control*