Sarafidis, P A
Lazaridis, A A
Imprialos, K P
Georgianos, P I
Avranas, K A
Protogerou, A D
Doumas, M N
Athyros, V G
Karagiannis, A I
Article History
Received: 13 August 2015
Revised: 17 September 2015
Accepted: 14 October 2015
First Online: 3 March 2016
Competing interests
: The authors declare no conflict of interest.