Karras, S N
Persynaki, A
Petróczi, A
Barkans, E
Mulrooney, H
Kypraiou, M
Tzotzas, T
Tziomalos, K
Kotsa, K
Tsioudas, A A
Pichard, C
Naughton, D P
Article History
Received: 11 December 2016
Accepted: 7 February 2017
First Online: 22 March 2017
Competing interests
: The authors declare no conflict of interest.