title: Responding to the syphilis outbreak in Japan: piloting a questionnaire to evaluate potential risk factors for incident syphilis infection among men who have sex with men in Tokyo, Japan, 2015.
authors.affiliation: Field Epidemiology Training Program, National Institute of Infectious Diseases, Tokyo, Japan.; Division of Global infectious diseases, Department of Infection and Epidemiology, Graduate School of Medicine, Tohoku University, Miyagi, Japan.; Disease Control and Prevention Center, National Center for Global Health and Medicine, Toyama, Shinjuku-ku, Tokyo, Japan.
authors.forename: Masahiro
authors.initials: M
authors.lastname: Ishikane
authors.affiliation: Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Yuzo
authors.initials: Y
authors.lastname: Arima
authors.affiliation: Shirakaba Clinic, Tokyo, Japan .
authors.forename: Ichiro
authors.initials: I
authors.lastname: Itoda
authors.affiliation: Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Takuri
authors.initials: T
authors.lastname: Takahashi
authors.affiliation: Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Takuya
authors.initials: T
authors.lastname: Yamagishi
authors.affiliation: Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Tamano
authors.initials: T
authors.lastname: Matsui
authors.affiliation: Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Tomimasa
authors.initials: T
authors.lastname: Sunagawa
authors.affiliation: Infectious Disease Surveillance Center, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Kazunori
authors.initials: K
authors.lastname: Oishi
authors.affiliation: Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan .
authors.forename: Makoto
authors.initials: M
authors.lastname: Ohnishi
mesh_terms: D000328:Adult; D004196:Disease Outbreaks; D018451:Homosexuality, Male / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010865:Pilot Projects; D012307:Risk Factors; D012747:Sexual Partners; D011795:Surveys and Questionnaires; D013587:Syphilis / Q000453:epidemiology*; D014041:Tokyo / Q000453:epidemiology