Schaer, Michael O.
Finsterwald, Michael http://orcid.org/0000-0002-1924-5388
Holweg, Iris
Dimitriou, Dimitris
Antoniadis, Alexander
Helmy, Naeder
Article History
Received: 28 January 2019
Accepted: 29 November 2019
First Online: 12 December 2019
Consent for publication
: Not Applicable.
: One author (NH) is a consultant (speaker honoraria) for Mathys, Bettlach, Switzerland. each other author certifies that he has no commercial associations (consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article.