Corrigendum: Ivabradine Treatment Reduces Cardiomyocyte Apoptosis in a Murine Model of Chronic Viral Myocarditis - Li-Sha, Ge; Li, Liu; De-Pu, Zhou; Zhe-Wei, Shi; Xiaohong, Gu; Guang-Yi, Chen; Jia, Li; Jia-Feng, Lin; Maoping, Chu; Yue-Chun, Li (Frontiers in Pharmacology, 2019)