Neamtu, Mariana http://orcid.org/0000-0002-9633-7243
Nadejde, Claudia
Hodoroaba, Vasile-Dan http://orcid.org/0000-0002-7901-6114
Schneider, Rudolf J. http://orcid.org/0000-0003-2228-1248
Verestiuc, Liliana
Panne, Ulrich
Article History
Received: 14 February 2018
Accepted: 6 April 2018
First Online: 19 April 2018
Competing Interests
: The authors declare no competing interests.