Association of Sexualized Drug Use Patterns with HIV/STI Transmission Risk in an Internet Sample of Men Who Have Sex with Men from Seven European Countries

Juan Miguel Guerras, Juan Hoyos, Cristina Agustí, Sophocles Chanos, F. Pichon, Matthias Kuske, Bojan Cigan, Ricardo Fuertes, Roxana Stefanescu, Lieselot Ooms, Jordi Casabona, Luís de la Fuente, María José Belza, The Euro HIV EDAT Working Group, Sonia Fernández, Tomás Maté, Laura Fernández, Tom Platteau, P. Slaeen, Mihai Lixandru, M. Cosic