Sgroi, Mirco http://orcid.org/0000-0002-8124-7966
Gninka, Johanna
Fuchs, Michael
Seitz, Andreas M.
Reichel, Heiko
Kappe, Thomas
Article History
Received: 18 July 2019
Accepted: 23 January 2020
First Online: 8 February 2020
Compliance with ethical standards
:
: No benefits in any form have been received or will be received from a commercial party related directly or indirectly to the subject of this article. Each author certifies that he or she has no commercial associations (e.g. consultancies, stock ownership, equity interest, patent/licensing arrangements, etc.) that might pose a conflict of interest in connection with the submitted article. More specifically, none of the authors received payments or services, either directly or indirectly (i.e. via his or her institution), from a third party in support of any aspect of this work. Also, all authors declare that they have had no other relationships, or have been engaged in any other activities, that could be perceived to influence or have the potential to influence what is written in this work.
: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.
: This study was approved by the institutional review board of the University of Ulm (ID-number: 43/14).