Negrea, Adina
Gabor, Andreea
Davidescu, Corneliu Mircea
Ciopec, Mihaela
Negrea, Petru
Duteanu, Narcis http://orcid.org/0000-0002-5015-9306
Barbulescu, Alina
Article History
Received: 25 August 2017
Accepted: 15 December 2017
First Online: 10 January 2018
Competing Interests
: The authors declare that they have no competing interests.