Naziris, Konstantinos
Piro, Neltje E.
Jäger, Rudolf
Schmidt, Falko
Elkholy, Fayez
Lapatki, Bernd G.
Article History
Received: 18 June 2018
Accepted: 6 June 2019
First Online: 13 August 2019
Conflict of interest
: K. Naziris, N.E. Piro, R. Jäger, F. Schmidt, F. Elkholy and B.G. Lapatki declare that they have no competing interests.