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Authors
Dreßler, M.
Fussbroich, D.
Böhler, L.
Herrmann, E.
Benker, N.
Tytyk, M.
Schulze, J.
Schubert, R.
Beermann, C.
Zielen, S. https://orcid.org/0000-0003-1204-0627
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Article History
Received: 3 January 2020
Accepted: 3 July 2020
First Online: 13 July 2020
Ethics approval and consent to participate
: Participation in the study was voluntary. Prior to the commencement of the first visit, written informed consent was required from each subject or from the parents of children under the age of 18 years. The study was approved by the ethics committee of Goethe University (reference number 360/14) and registered at , registration number: NCT02410096.
: Not applicable.
: The authors declare that they have no competing interests.
