Role of antibiotic use, plasma citrulline and blood microbiome in advanced non-small cell lung cancer patients treated with nivolumab ===================================================================================================================================== * Julia Ouaknine Krief * Pierre Helly de Tauriers * Coraline Dumenil * Nathalie Neveux * Jennifer Dumoulin * Violaine Giraud * Sylvie Labrune * Julie Tisserand * Catherine Julie * Jean-François Emile * Thierry Chinet * Etienne Giroux Leprieur