Stiers, Peter http://orcid.org/0000-0002-4517-1474
Goulas, Alexandros
Article History
Received: 23 November 2017
Accepted: 21 February 2018
First Online: 3 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants have been approved by the local ethics committee of the institute and are in agreement with the 1964 Helsinki declaration and its later amendments.
: All participants gave their informed consent to participate in the study.