Text and Data Mining valid from 2019-02-12
Received: 18 October 2018
Accepted: 15 January 2019
First Online: 12 February 2019
Ethics approval and consent to participate
: This retrospective case series was performed in accordance with the Declaration of Helsinki under approval of the local ethics committee (Board of Medical Profession of Rhineland-Palatinate in Mainz (No. 837.009.15/9777). From all patients, informed consent to participate in the study was obtained.
: Not Applicable
: The authors declare that they have no competing interests.
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