CXCL8 and myocarditis: Circulating interleukins 1-β and IL-8 were higher in patients with Myocarditis-NCV (2.82 ± 8.0 and 12.41 ± 18.4 pg/mL, respectively) in comparison with virus-negative Myocarditis patients (0.57 ± 0.34 and 8.42 ± 4.6 pg/mL, respectively) and control group (0.35 ± 0.24 and 3.27 ± 0.7 pg/mL, respectively).