Tschann, Peter http://orcid.org/0000-0003-3950-0347
Rauch, Stephanie
Girotti, Paolo
Rumpold, Holger
Königsrainer, Ingmar
Article History
Received: 2 May 2018
Accepted: 16 May 2018
First Online: 14 June 2018
Conflict of interest
: P. Tschann, S. Rauch, P. Girotti, H. Rumpold, and I. Königsrainer declare that they have no competing interests.