Adult 2 Article 2 Case-Control Studies 2 DNA content 2 DNA directed DNA polymerase gamma 2 DNA, Mitochondrial 2 Female 2 Genetic Predisposition to Disease 2 Genome, Mitochondrial 2 Germ-Line Mutation 2 Haplotypes 2 Humans 2 Liver Cirrhosis 2 Male 2 Middle Aged 2 Mitochondria, Liver 2 Mutation 2 Mutation, Missense 2 NASH 2 Non-alcoholic Fatty Liver Disease 2 Oxidative Phosphorylation 2 POLG gene 2 POLG2 gene 2 Polymorphism, Genetic 2 Severity of Illness Index 2 adult 2 body mass 2 case control study 2 clinical article 2 comparative study 2