About the Authors

Pere Almagro

19908pam@comb.cat

Affiliation Acute Geriatric Care Unit, Internal Medicine Department, Hospital Universitari Mutua de Terrassa, Terrassa, Barcelona, Spain

Pablo Martinez-Camblor

Affiliation Asturias Biomedical Research Office, Asturias, Oviedo, Spain

Joan B. Soriano

Affiliation Fundacio de Investigacio Sanitaria de les Illes Balears, Hospital Universitari Son Espases, Balearic Islands, Spain

Jose M. Marin

Affiliation Respiratory Department, Hospital Universitario Miguel Servet, Zaragoza, Spain

Inmaculada Alfageme

Affiliation Respiratory Department, Valme University Hospital, Seville, Spain

Ciro Casanova

Affiliation Respiratory Department, Hospital Nuestra Señora de la Candelaria, Tenerife, Spain

Cristobal Esteban

Affiliation Respiratory Department, Hospital Galdakao-Usansolo, Bizkaia, Spain

Juan J. Soler-Cataluña

Affiliation Respiratory Department, Hospital Arnau de Vilanova,Valencia, Spain

Juan P. de-Torres

Affiliation Respiratory Department, Clínica Universidad de Navarra, Pamplona, Spain

Bartolome R. Celli

Affiliation Pulmonary and Critical Care Medicine, Brigham and Women's Hospital, Harvard University, Boston, Massachusetts, United States of America

Marc Miravitlles

Affiliation Pneumology Department, Hospital Universitari Vall d'Hebron, CIBER de Enfermedades Respiratorias (CIBERES), Barcelona, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PA PMC JBS BC MM. Performed the experiments: PA PMC JBS BC MM JMM IA CC CE JJSC JPdT. Analyzed the data: PMC. Wrote the paper: PA PMC JBS BC MM JMM IA CC CE JJSC JPdT.