Stathopoulos, Spyros https://orcid.org/0000-0002-0833-6209
Khiat, Ali
Trapatseli, Maria
Cortese, Simone
Serb, Alexantrou
Valov, Ilia https://orcid.org/0000-0002-0728-7214
Prodromakis, Themis
Article History
Received: 3 August 2017
Accepted: 30 November 2017
First Online: 13 December 2017
Competing Interests
: The authors declare that they have no competing interests.