Funding for this research was provided by:
Instituto de Salud Carlos III (FIS-PI16/00193)
Sociedad Española de Neumología y Cirugía Torácica (SEPAR 067/2015)
“la Caixa” Foundation (Beca La Caixa 2017)
Text and Data Mining valid from 2018-05-28
Received: 8 January 2018
Accepted: 27 April 2018
First Online: 28 May 2018
Ethics approval and consent to participate
: All patients provided written informed consent and the study was approved by the Ethics Committee of Clinical Research (CEIC, ref. PR330/15) from the Bellvitge University Hospital (Barcelona, Spain).
: The authors declare that they have no competing interests.
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