Widmann, Gerlig https://orcid.org/0000-0002-7255-0672
Dejaco, Daniel
Luger, Anna
Schmutzhard, Joachim
Article History
Received: 8 June 2020
Accepted: 21 July 2020
First Online: 15 August 2020
Ethics approval and consent to participate
: Ethical approval and consent to participate was not needed for this educational pictorial review.
: Ethical approval and consent to participate was not needed for this educational pictorial review.
: JS has an active scientific grant with the MedEL Company.All other authors declare that they do not have any competing interests related to this article.