Filfan, Madalina
Olaru, Andrei
Udristoiu, Ion
Margaritescu, Claudiu
Petcu, Eugen
Hermann, Dirk M
Popa-Wagner, Aurel
Article History
Received: 12 July 2019
Accepted: 30 December 2019
First Online: 13 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.