Myrovali, E.
Maniotis, N.
Makridis, A.
Terzopoulou, A.
Ntomprougkidis, V.
Simeonidis, K.
Sakellari, D.
Kalogirou, O.
Samaras, T.
Salikhov, R.
Spasova, M.
Farle, M.
Wiedwald, U.
Angelakeris, M.
Article History
Received: 24 June 2016
Accepted: 2 November 2016
First Online: 29 November 2016
Competing interests
: The authors declare no competing financial interests.