Georgiopoulos, G
Lambrinoudaki, I
Athanasouli, F
Armeni, E
Koliviras, A
Augoulea, A
Rizos, D
Papamichael, C
Protogerou, A
Stellos, K
Stamatelopoulos, K
Article History
Received: 29 October 2016
Revised: 30 December 2016
Accepted: 25 January 2017
First Online: 23 March 2017
Competing interests
: The authors declare no conflict of interest.