Ihssen, Benjamin A. http://orcid.org/0000-0002-4995-7386
Willmann, Jan H. http://orcid.org/0000-0002-3882-246X
Nimer, Amr http://orcid.org/0000-0001-6365-4579
Drescher, Dieter
Article History
Received: 21 January 2019
Accepted: 27 June 2019
First Online: 2 October 2019
Compliance with ethical guidelines
:
: B.A. Ihssen, J.H. Willmann, A. Nimer and D. Drescher declare that they have no competing interests.
: This article does not contain any studies with human participants or animals by any of the authors.