The affiliation for Kenji Hirayama should be: Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan; Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan; and School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan. There are two errors in the affiliations: The affiliation for Tran Quang Thach should be: Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Nagasaki University, Nagasaki, Japan and Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan. [Extracted from the article]