Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (DA1209/4-3)
Received: 3 May 2018
Accepted: 4 October 2018
First Online: 30 October 2018
Ethics approval and consent to participate
: The ethical committee of Hannover Medical School approved the protocol (no. 2786–2015), and written informed consent was obtained from participants or authorized representatives. The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. This study was designed to prove feasibility of a planned multicenter RCT (clinicaltrials.gov NCT03065751).
: Not applicable.
: The authors declare that they have no competing interests.
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