Kaasch, Achim J. http://orcid.org/0000-0002-6659-6738
,
Rommerskirchen, Anna
Hellmich, Martin
Fätkenheuer, Gerd
Prinz-Langenohl, Reinhild
Rieg, Siegbert
Kern, Winfried V.
Seifert, Harald
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (KA 3104/2)
Article History
Received: 31 October 2019
Accepted: 21 January 2020
First Online: 12 February 2020
Ethics approval and consent to participate
: The study amendments were approved by the coordinating Ethics Committees for participating countries and by the individual Ethics Committees of the participating study sites.
: Not applicable.
: The authors declare that they have no competing interests.