Conickx, Griet http://orcid.org/0000-0002-9475-8749
Avila Cobos, Francisco http://orcid.org/0000-0002-8816-9243
van den Berge, Maarten
Faiz, Alen
Timens, Wim http://orcid.org/0000-0002-4146-6363
Hiemstra, Pieter S. http://orcid.org/0000-0002-0238-5982
Joos, Guy F. http://orcid.org/0000-0002-3149-9444
Brusselle, Guy G. http://orcid.org/0000-0001-7021-8505
Mestdagh, Pieter http://orcid.org/0000-0001-7821-9684
Bracke, Ken R. http://orcid.org/0000-0001-5906-4605
Article History
Received: 11 May 2017
Accepted: 20 September 2017
First Online: 9 October 2017
Competing Interests
: The authors declare that they have no competing interests.