Vasilopoulos, Y
Sarri, C
Zafiriou, E
Patsatsi, A
Stamatis, C
Ntoumou, E
Fassos, I
Tsalta, A
Karra, A
Roussaki-Schulze, A
Sotiriadis, D
Mamuris, Z
Sarafidou, T
Article History
Received: 22 January 2014
Revised: 22 March 2014
Accepted: 15 April 2014
First Online: 3 June 2014
Competing interests
: The authors declare no conflict of interest.