Kim, Hae Jin
Katsiotis, Marios S
Alhassan, Saeed
Zafiropoulou, Irene
Pissas, Michael
Sanakis, Yannis
Mitrikas, Georgios
Panopoulos, Nikolaos
Boukos, Nikolaos
Tzitzios, Vasileios
Fardis, Michael
Kim, Jin-Gyu
Lee, Sang-Gil
Kim, Young-Min
Yoo, Seung Jo
Lee, Ji-Hyun
Kouloumpis, Antonios
Gournis, Dimitrios
Karakassides, Michael
Papavassiliou, Georgios
Article History
Received: 3 November 2015
Revised: 5 January 2016
Accepted: 7 March 2016
First Online: 20 May 2016
Competing interests
: The authors declare no conflict of interest.