Molecular epidemiology of hepatitis C virus (HCV) in Greece: temporal trends in HCV genotype-specific incidence and molecular characterization of genotype 4 isolates. by Katsoulidou, A, Sypsa, V, Tassopoulos, N, Boletis, J, Karafoulidou, A, Ketikoglou, I, Tsantoulas, D, Vafiadi, I, Hatzis, G, Skoutelis, A, Akriviadis, E, Vasiliadis, T, Kitis, G, Magiorkinis, G, Hatzakis, A