High heterogeneity in community-acquired pneumonia inclusion criteria: does this impact on the validity of the results of randomized controlled trials? oleh Clara Flateau, Josselin Le Bel, Sarah Tubiana, François-Xavier Blanc, Christophe Choquet, Blandine Rammaert, Patrick Ray, Christophe Rapp, Cécile Ficko, Catherine Leport, Yann-Erick Claessens, Xavier Duval, on behalf of the ESCAPED study group