Heinrich, Marie-Christine
Göbel, Cosima
Kluth, Martina
Bernreuther, Christian
Sauer, Charlotte
Schroeder, Cornelia
Möller-Koop, Christina
Hube-Magg, Claudia
Lebok, Patrick
Burandt, Eike
Sauter, Guido
Simon, Ronald https://orcid.org/0000-0003-0158-4258
Huland, Hartwig
Graefen, Markus
Heinzer, Hans
Schlomm, Thorsten
Heumann, Asmus
Article History
Received: 11 October 2017
Accepted: 22 May 2018
First Online: 31 May 2018
Ethics approval and consent to participate
: The ethics committee of the Ärztekammer Hamburg approved this study (WF-049/09 and PV3652). According to local laws (HmbKHG, §12,1) informed consent was not required for this study.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.