Delistefani, Fani
Wallbach, Manuel
Müller, Gerhard A.
Koziolek, Michael J. https://orcid.org/0000-0002-0897-5430
Grupp, Clemens
Article History
Received: 20 May 2018
Accepted: 20 May 2019
First Online: 31 May 2019
Ethics approval and consent to participate
: The study was approved by the local Ethical Committee of Göttingen. The investigation conforms to the principles outlined in the Declaration of Helsinki. The consent to participate was obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.