Fankhauser, Christian Daniel
Waisbrod, Sharon
Fierz, Cindy
Becker, Anton S.
Kranzbühler, Benedikt
Eberli, Daniel
Sulser, Tullio
Mostafid, Hugh
Hermanns, Thomas
Article History
Received: 24 January 2020
Accepted: 16 March 2020
First Online: 2 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: The authors confirm that an independent ethics committee (STV KEK-ZH Basec-Nr- 2016–00158) approved the study and informed consent for this retrospective study was waived according to Swiss law.