Funding for this research was provided by:
CHEST Foundation (CF-2015-024)
F. Hoffmann-La Roche (G1712)
Text and Data Mining valid from 2019-03-12
Received: 2 October 2018
Accepted: 4 December 2018
First Online: 12 March 2019
Ethics approval and consent to participate
: Study has been approved by Ethics Committee of Institute of Clinical and Experimental Medicine and Thomayer Hospital in June 2015. (refrence number of the approval: G–14–08–66).
: Not applicable.
: The authors declare that they have no competing interests.
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