Impact of 10- and 13-valent pneumococcal conjugate vaccines on incidence of invasive pneumococcal disease in children aged under 16 years in Germany, 2009 to 2012 Weiss, S and Falkenhorst, G and van der Linden, M and Imöhl, M and von Kries, R, Eurosurveillance, 20, 21057 (2015), https://doi.org/10.2807/1560-7917.ES2015.20.10.21057