Article History
Received: 8 August 2018
Accepted: 23 April 2019
First Online: 15 May 2019
Ethics approval and consent to participate
: According to the guidelines of the Ethics Committee of Jena University Hospital at Friedrich Schiller University, no formal ethics approval was required for this study (ExternalRef removed). Students indicated their consent to participate by completing the questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.
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