Funding for this research was provided by:
Bundesministerium für Wirtschaft und Technologie (ZIM KF2036708SS0, ZIM KF 2036713AK2)
Text and Data Mining valid from 2019-04-02
Received: 2 January 2019
Accepted: 13 March 2019
First Online: 2 April 2019
Change Date: 18 June 2019
Change Type: Correction
Change Details: Following publication of the original article , the authors reported that the registration number of the ethics approval was accidentally entered under trial registration. A trial registration was not performed by the authors.
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of the Berlin Medical Chamber (Eth-30/17, 12/06/2017; ExternalRef removed). This report followed the Declaration of Helsinki on medical protocol and ethics.
: Written informed consent was obtained from the patient for publication of the technical note. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
: The authors declare that they have no competing interests.
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