Alla Kachko1, Galina Kochneva2, Galina Sivolobova2, Antonina Grazhdantseva2, Tatyana Lupan2, Iryna Zubkova1, Frances Wells1, Michael Merchlinsky3, Ollie Williams3, Hisayoshi Watanabe4, Alla Ivanova2, Aleksander Shvalov2, Valeriy Loktev2, Sergei Netesov2, Marian E. Major1
1Laboratory of Hepatitis Viruses, Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD 20892, USA
2Laboratory of Viral Hepatitis, State Research Center of Virology and Biotechnology “VECTOR”, Koltsovo, Novosibirsk 630559, Russian Federation
3Laboratory of DNA Viruses, Division of Viral Products, Center for Biologics Evaluation and Research, Food and Drug Administration, Bethesda, MD 20892, USA
4Yamagata University School of Medicine, Department of Gastroenterology, 2-2-2 Iida-nishi, Yamagata 990-9585, Japan