Text and Data Mining valid from 2019-05-07
Received: 14 February 2019
Accepted: 17 April 2019
First Online: 7 May 2019
Ethics approval and consent to participate
: Ethical approval to conduct the study was granted by the Ethical Committee of the Medical Faculty of Mannheim, Heidelberg University, Germany (study ID 2016-655 N-MA). Informed consent was obtained by all participants orally during the screening process and in written form at the beginning of the experimental phase.
: Not applicable.
: The authors declare that they have no competing interests.
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