Monitoring Report 2012 : Human Immunodeficiency Virus (HIV) Infection in the Netherlands / Ard van Sighem, Colette Smit, Rebecca Holman, Luuk Gras, Ineke Stolte, Daniela Bezemer and Frank de Wolf on behalf of the Netherlands collaborative HIV treatment centresMonitoring Report 2013 : Human Immunodeficiency Virus (HIV) infection in the Netherlands / authors: Ard van Sighem, Luuk Gras, Anouk Kesselring, Colette Smit, Esther Engelhard, Ineke Stolte, Peter Reiss