Riederer, Isabelle
Mühlau, Mark
Hoshi, Muna-Miriam
Zimmer, Claus
Kleine, Justus F.
Article History
Received: 30 July 2018
Revised: 1 November 2018
Accepted: 2 November 2018
First Online: 16 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: The study was conducted in accordance with the 1964 Declaration of Helsinki and its later amendments. The study protocol was approved by the local ethics committee. Written informed consent of individual patients was waived for this retrospective analysis of anonymized data according to institutional guidelines.