Estimating the Global and Regional Burden of Streptococcus pneumoniae Meningitis in Children: Protocol for a Systematic Review and Meta-Analysis oleh Jay J Park, Jakov Tiefenbach, Mohammed Ma'arij Anwar, Sandhya Narayanan, Beatrice Ope, Selene Seo Bin Han, Boni Maxime Ale, Davies Adeloye, Igor Rudan