Text and Data Mining valid from 2018-04-10
Received: 21 January 2018
Accepted: 25 March 2018
First Online: 10 April 2018
: The Ethics Committee at the University of Regensburg approved the study in January 2018 (Institutional Review Board Number 17-705649-180). The study is registered at the Clinical Trial Registry University of Regensburg Z-2017-0930-1. All procedures performed in studies were in accordance with the 1964 Helsinki declaration.
: We have obtained consent to publish from all participants to report patient data.
: The authors declare that they have no competing interest.
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