De Geyter, Jozefien http://orcid.org/0000-0003-1863-3490
Tsirigotaki, Alexandra
Orfanoudaki, Georgia
Zorzini, Valentina
Economou, Anastassios http://orcid.org/0000-0002-1770-507X
Karamanou, Spyridoula
Article History
Received: 4 January 2016
Accepted: 2 June 2016
First Online: 26 July 2016
Competing interests
: The authors declare no competing financial interests.