title: Response to 'High-risk sexual behaviour increases among London gay men between 1998 and 2001: what is the role of HIV optimism?'.
authors.forename: Ineke G
authors.initials: IG
authors.lastname: Stolte
authors.forename: Nicole H T M
authors.initials: NH
authors.lastname: Dukers
mesh_terms: D001294:Attitude to Health; D015658:HIV Infections / Q000523:psychology*; D018451:Homosexuality, Male / Q000523:psychology*; D006801:Humans; D008131:London; D008297:Male; D012107:Research Design; D012309:Risk-Taking