Erratum to "Knockdown of Sestrin2 Increases Lipopolysaccharide-Induced Oxidative Stress, Apoptosis, and Fibrotic Reactions in H9c2 Cells and Heart Tissues of Mice via an AMPK-Dependent Mechanism" - Hwan-Jin Hwang; Joo Won Kim; Hye Soo Chung; Ji A. Seo; Sin Gon Kim; Nan Hee Kim; Kyung Mook Choi; Sei Hyun Baik; Hye Jin Yoo (Hindawi Limited, 2019)