Funding for this research was provided by:
Sociedad Española de Neumología y Cirugía Torácica (2015)
Conselleria d'Educació, Investigació, Cultura i Esport (SAF2013-49063-C2-1-R)
MINECO Plan Estatal I+D Retos (SAF2014-54371, SAF2016-80363-C2-1-R)
Text and Data Mining valid from 2020-03-04
Received: 18 November 2019
Accepted: 14 February 2020
First Online: 4 March 2020
Ethics approval and consent to participate
: The study designed complied with the Declaration of Helsinki for human beings and was approved by Clinical Research and Ethics Committee of Hospital del Mar. All participants provided signed informed consent after receiving complete and detailed information on the study and its objectives.
: Not applicable.
: The authors declare that they have no competing interests.