Turkeshi, Eralda
Zelenukha, Dmitry
Vaes, Bert
Andreeva, Elena
Frolova, Elena
Degryse, Jean-Marie
Article History
Received: 13 November 2014
Revised: 17 April 2015
Accepted: 5 June 2015
First Online: 23 July 2015
Competing interests
: The authors declare no conflict of interest.