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Authors
Tsigkas, Grigorios
Katsanos, Konstantinos
Apostolakis, Efstratios
Papadimitriou, Evangelia
Koutsioumpa, Marina
Kagadis, George C
Koumoundourou, Dimitra
Hahalis, George
Alexopoulos, Dimitrios
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Article History
Received: 13 January 2016
Revised: 10 May 2016
Accepted: 19 May 2016
First Online: 23 June 2016
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.
