Hajiioannou, Jiannis K. http://orcid.org/0000-0003-2312-7218
Sioka, Eleni
Tsiouvaka, Stergiani
Korais, Christos
Zacharoulis, Dimitrios
Bizakis, John
Article History
Received: 24 July 2018
Accepted: 18 January 2019
First Online: 31 January 2019
Compliance with Ethical Standards
: The study was conducted after approval of the Institutional Ethics Committee. All clinical investigations were conducted in accordance with the guidelines in the Declaration of Helsinki.
: The authors declare that they have no conflict of interest.