Lorenz, Andreas
Kogler, Pamela
Huth, Marcus
Kafka-Ritsch, Reinhold
Öfner, Dietmar
Perathoner, Alexander
Article History
Accepted: 1 March 2018
First Online: 10 March 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained by all patients before surgery. All patients have signed a statement on consent for publication of their data.