Assessment of Induced Sputum Cellularity in COPD Patients Belonging to Two Different Classes of Air Pollution Exposure Silvano Dragonieri, Donato Lacedonia, Giulia Scioscia, Grazia Pia Palladino, Vitaliano Nicola Quaranta, Pierluigi Carratù, Onofrio Resta, Maria Pia Foschino Barbaro, Giovanna Elisiana Carpagnano

The Roles of Bacteria and Viruses in Bronchiectasis Exacerbation: A Prospective Study Chun-Lan Chen, Yan Huang, Jing-Jing Yuan, Hui-Min Li, Xiao-Rong Han, Miguel Angel Martinez-Garcia, David de la Rosa-Carrillo, Rong-chang Chen, Wei-Jie Guan, Nan-Shan Zhong

Demographic Characteristics and Clinical Outcomes in Patients from Latin America Versus the Rest of the World: A TIOSPIR® Post-Hoc Analysis Antonio Anzueto, Peter M.A. Calverley, Achim Mueller, Norbert Metzdorf, Michaela Haensel, José R. Jardim, Emilio Pizzichini, Horacio Giraldo, Alejandra Ramirez-Venegas, Eduardo R. Giugno