Stöckel, Tino
Mau-Moeller, Anett
Article History
Received: 9 November 2018
Accepted: 2 April 2019
First Online: 12 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study 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.
: Informed consent was obtained from all individual participants included in the study.