Short-term effects of air pollution and weather on physical activity in patients with chronic obstructive pulmonary disease (COPD)

Alícia Josa-Culleré, Xavier Basagaña, Sarah Koch, Ane Arbillaga‐Etxarri, Eva Balcells, Magda Bosch de Basea, Nuria Celorrio, María Foraster, Robert Rodriguez-Roisín, Alicia Marín, Gabriela P. Peralta, Diego A. Rodríguez, Pere Simonet, Pere Torán‐Monserrat, Pere Vall‐Casas, Judith García‐Aymerich