Karalis, Konstantinos T.
Dellis, Dimitrios
Antipas, Georgios S. E.
Xenidis, Anthimos
Article History
Received: 24 November 2015
Accepted: 30 June 2016
First Online: 26 July 2016
Change Date: 27 September 2016
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.