Döring, Michaela
Cabanillas Stanchi, Karin Melanie
Feucht, Judith
Queudeville, Manon
Teltschik, Heiko-Manuel
Lang, Peter
Feuchtinger, Tobias
Handgretinger, Rupert
Müller, Ingo
Funding for this research was provided by:
Stefan-Morsch-Stiftung
Article History
Received: 22 June 2015
Accepted: 17 November 2015
First Online: 27 November 2015
Compliance with ethical standards
: This retrospective analysis was conducted in accordance with the Declaration of Helsinki and was performed under the waiver for retrospective anonymized studies in accordance with the ethics regulations of the Independent Ethics Committee of the University of Tübingen, Germany.
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.