Raab, Anja M.
Krebs, Jörg
Pfister, Mirjam
Perret, Claudio
Hopman, Maria
Mueller, Gabi
Funding for this research was provided by:
Wings for Life (WFL-CH-017/14)
Article History
Received: 8 August 2018
Revised: 14 January 2019
Accepted: 15 January 2019
First Online: 30 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the ethics committee. We certify that all applicable institutional and governmental regulations concerning the ethical use of data of human volunteers were followed during the course of this research. All patients in our center had been informed in written form about the potential retrospective use of their data for research purposes. All patients who had rejected the use of their medical or personal data were excluded.