Spering, Christopher http://orcid.org/0000-0001-8962-2356
Lefering, Rolf
Bouillon, Bertil
Lehmann, Wolfgang
von Eckardstein, Kajetan
Dresing, Klaus
Sehmisch, Stephan
Article History
Received: 3 May 2019
Accepted: 3 September 2019
First Online: 13 September 2019
Compliance with ethical standards
:
: The authors are aware of no conflicts of interest, financial or otherwise, related to this work.