IL10 and myocarditis: We thank M. Bienek-Ziolkowski (immunohistological staining), K. Vogt (IL-10 overexpression, ELISA, in vitro experiments), R. Öttl, V. Vukovic, and C. Leib (induction of acute myocarditis, intravenous injection of monocytes/macrophages, PCR analysis, determination of autoantibody titers) for excellent technical support.