Chi, C
Yu, S-K
Auckle, R
Argyris, A A
Nasothimiou, E
Tountas, C
Aissopou, E
Blacher, J
Safar, M E
Sfikakis, P P
Zhang, Y
Protogerou, A D
Article History
Received: 31 August 2016
Revised: 13 March 2017
Accepted: 27 March 2017
First Online: 1 June 2017
Competing interests
: The authors declare no conflict of interest.