About the Authors

Masahiro Ishikane

Affiliations AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan, Field Epidemiology Training Program Japan, Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan, Global Infectious Diseases of Infection and Epidemiology, Medical Sciences Doctoral Program, Graduate School of Medicine, Tohoku University, Miyagi, Japan

Koji Watanabe

Affiliations AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan, Center for AIDS Research, Kumamoto University, Kumamoto, Japan

Kunihisa Tsukada

Affiliation AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan

Yuichi Nozaki

Affiliation Department of Gastroenterology, National Center for Global Health and Medicine, Tokyo, Japan

Mikio Yanase

Affiliation Department of Gastroenterology, National Center for Global Health and Medicine, Tokyo, Japan

Toru Igari

Affiliation Pathology Division of Clinical Laboratory, National Center for Global Health and Medicine, Tokyo, Japan

Naohiko Masaki

Affiliations Department of Gastroenterology, National Center for Global Health and Medicine, Tokyo, Japan, Research Center for Hepatitis and Immunology, National Center for Global Health and Medicine, Tokyo, Japan

Yoshimi Kikuchi

Affiliation AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan

Shinichi Oka

Affiliations AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan, Center for AIDS Research, Kumamoto University, Kumamoto, Japan

Hiroyuki Gatanaga

higatana@acc.ncgm.go.jp

Affiliations AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan, Center for AIDS Research, Kumamoto University, Kumamoto, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MI KW TK YK SO HG. Performed the experiments: MI KW TK YN MY TI NM. Analyzed the data: MI KW TK HG. Contributed reagents/materials/analysis tools: MI KW TK YN MY TI NM YK SO HG. Contributed to the writing of the manuscript: MI KW KT HG.