Bjoern, M. X. http://orcid.org/0000-0003-0030-7865
Perdawood, S. K.
Article History
Received: 7 October 2019
Accepted: 6 January 2020
First Online: 1 February 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.
: Patients were fully informed about the study and gave an informed consent to participate.