Clusters of sexual behaviour in HIV-positive men who have sex with men reveal highly dissimilar time trends.
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H. Günthard | G. Carrillo-Montoya | E. Bernasconi | P. Schmid | R. Kouyos | L. Salazar-Vizcaya | K. Kusejko | A. Schmidt | D. Nicca | G. Wandeler | D. Braun | J. Fehr | K. Darling | A. Rauch