Naumova, Ella A.
Schiml, Fabian
Arnold, Wolfgang H.
Piwowarczyk, Andree
Article History
Received: 22 August 2017
Accepted: 8 May 2018
First Online: 4 June 2018
Compliance with ethical standards
:
: Ella A. Naumova declares that she has no conflict of interest.Fabian Schiml declares that he has no conflict of interest.Wolfgang. H. Arnold declares that he has no conflict of interest.Andree Piwowarczyk declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors. 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.
: For this type of study, informed consent is not required.