Multicentre Booster & Immune Memory Study of a Booster Dose of GSK Biologicals' 10-valent Pneumococcal Conjugate Vaccine or a Single Dose of 23-valent Plain Polysaccharide Vaccine in Healthy Children Aged 11-18 Mths, Previously Vaccinated in Study 103488

GSK Investigational Site, Berlin

GSK Investigational Site, Berlin

GSK Investigational Site, Berlin

GSK Investigational Site, Waren

GSK Investigational Site, Rostock

GSK Investigational Site, Neumünster

GSK Investigational Site, Flensburg

GSK Investigational Site, Flensburg

GSK Investigational Site, Flensburg

GSK Investigational Site, Flensburg

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GSK Investigational Site, Trier

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GSK Investigational Site, Schoeneberg - Kuebelberg

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GSK Investigational Site, Munich

GSK Investigational Site, Munich

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