Vardi, A
Vlachonikola, E http://orcid.org/0000-0003-4609-9977
Karypidou, M
Stalika, E
Bikos, V
Gemenetzi, K
Maramis, C
Siorenta, A
Anagnostopoulos, A
Pospisilova, S
Maglaveras, N
Chouvarda, I
Stamatopoulos, K
Hadzidimitriou, A
Article History
Received: 30 August 2016
Revised: 23 October 2016
Accepted: 7 November 2016
First Online: 25 November 2016
Competing interests
: The authors declare no conflict of interest.