| Authors: |
van Aar F; Epidemiology and Surveillance, Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands fleur.van.aar@rivm.nl., van Weert Y; Epidemiology and Surveillance, Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands., Spijker R; STI AIDS Netherlands, Amsterdam, the Netherlands., Götz H; Epidemiology and Surveillance, Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands Department Infectious Disease Control, Public Health Service Rotterdam-Rijnmond, Rotterdam, the Netherlands., Op de Coul E; Epidemiology and Surveillance, Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands. |