Funding for this research was provided by:
Iuliu Hatieganu University of Medicine and Pharmacy (4944/4/08.03/2016)
Received: 23 April 2019
Accepted: 14 October 2019
First Online: 5 November 2019
Ethics approval and consent to participate
: The study was conducted with the approval of the Ethics Committee of Iuliu Hațieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
: Not applicable.
: The authors declare that they have no competing interests.