IL4 and myocarditis: These cells express hepatocyte growth factor receptor c-mesenchymal epithelial transition factor (c-Met) and chemokine receptors CXCR3 and CCR4 and present unique features, as they are able to secrete a mixture of cytokines from the different T helper cells described so far, such as IL-4/IL-13, IL-17, and IL-22, both in EAM models and acute myocarditis cases.