Received: 12 October 2018
Accepted: 20 February 2019
First Online: 1 March 2019
Ethics approval and consent to participate
: Both, eurIPFreg and eurIPFbank (biobank of eurIPFreg) have been reviewed and received positive votes from institutional review boards in Germany (e.g. Ethics Committee of Justus-Liebig-University of Giessen; 111/08), France, Italy, Austria, Spain, Czech Republic, Hungary and the UK. The research was conducted strictly according to the principles of the Declaration of Helsinki. The eurIPFreg and eurIPFbank are listed in ExternalRef removed (NCT02951416).
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