**The SIALON Project: Report on HIV Prevalence and Risk Behaviour Among MSM in Six European Cities**

Massimo Mirandola et al.\*

*Azienda Ospedaliera Universitaria Integrata Verona (The Hospital Trust of Verona), Coordinamento Regionale per il Management e la Progettazione Europea (Regional Coordination Centre for European Project Management), Veneto Region, Verona, Italy* 
