Clinical and Lung Microbiome Impact of Chronic Versus Intermittent Pseudomonas aeruginosa Infection in Bronchiectasis Laia Fernández-Barat; Ruben López-Aladid; Victoria Alcaraz-Serrano; Nil Vázquez; Leticia Bueno-Freire; Roque Pastor-Ibañez; Lena Lingren; Héctor Sanz-Fraile; Patricia Oscanoa; Ana Motos; Roberto Cabrera; Jordi Vila; Daniel Martínez; Jordi Otero; Ramon Farré; Niels Høiby; Antoni Torres;